Bumps [intersection-observer](https://github.com/w3c/IntersectionObserver) from 0.5.1 to 0.7.0.
- [Release notes](https://github.com/w3c/IntersectionObserver/releases)
- [Commits](https://github.com/w3c/IntersectionObserver/commits)

Bumps [babel-plugin-react-intl](https://github.com/formatjs/babel-plugin-react-intl) from 3.1.0 to 3.1.3.
- [Release notes](https://github.com/formatjs/babel-plugin-react-intl/releases)
- [Commits](https://github.com/formatjs/babel-plugin-react-intl/commits)

Bumps [react-swipeable-views](https://github.com/oliviertassinari/react-swipeable-views) from 0.13.0 to 0.13.3.
- [Release notes](https://github.com/oliviertassinari/react-swipeable-views/releases)
- [Changelog](https://github.com/oliviertassinari/react-swipeable-views/blob/master/CHANGELOG.md)
- [Commits](https://github.com/oliviertassinari/react-swipeable-views/compare/v0.13.0...v0.13.3)

* Bump @babel/plugin-proposal-object-rest-spread from 7.3.4 to 7.4.4

Bumps [@babel/plugin-proposal-object-rest-spread](https://github.com/babel/babel) from 7.3.4 to 7.4.4.
- [Release notes](https://github.com/babel/babel/releases)
- [Changelog](https://github.com/babel/babel/blob/master/CHANGELOG.md)
- [Commits](https://github.com/babel/babel/compare/v7.3.4...v7.4.4)

* Bump @babel/core from 7.3.4 to 7.4.5

* Bump @babel/plugin-proposal-class-properties from 7.3.4 to 7.4.4

* Bump @babel/plugin-proposal-decorators from 7.3.0 to 7.4.4

* Bump @babel/preset-env from 7.3.4 to 7.4.5

* Bump @babel/runtime from 7.3.4 to 7.4.5

* Bump react from 16.7.0 to 16.8.6

Bumps [react](https://github.com/facebook/react/tree/HEAD/packages/react) from 16.7.0 to 16.8.6.
- [Release notes](https://github.com/facebook/react/releases)
- [Changelog](https://github.com/facebook/react/blob/master/CHANGELOG.md)
- [Commits](https://github.com/facebook/react/commits/v16.8.6/packages/react)

* Bump react-dom from 16.7.0 to 16.8.6

* Bump react-test-renderer from 16.7.0 to 16.8.6

Bumps [sass](https://github.com/sass/dart-sass) from 1.20.1 to 1.20.3.
- [Release notes](https://github.com/sass/dart-sass/releases)
- [Changelog](https://github.com/sass/dart-sass/blob/master/CHANGELOG.md)
- [Commits](https://github.com/sass/dart-sass/compare/1.20.1...1.20.3)

Bumps [react-intl](https://github.com/yahoo/react-intl) from 2.7.2 to 2.9.0.
- [Release notes](https://github.com/yahoo/react-intl/releases)
- [Commits](https://github.com/yahoo/react-intl/compare/v2.7.2...v2.9.0)

Bumps [offline-plugin](https://github.com/NekR/offline-plugin) from 5.0.6 to 5.0.7.
- [Release notes](https://github.com/NekR/offline-plugin/releases)
- [Changelog](https://github.com/NekR/offline-plugin/blob/master/CHANGELOG.md)
- [Commits](https://github.com/NekR/offline-plugin/compare/v5.0.6...v5.0.7)

Bumps [babel-jest](https://github.com/facebook/jest/tree/HEAD/packages/babel-jest) from 24.5.0 to 24.8.0.
- [Release notes](https://github.com/facebook/jest/releases)
- [Changelog](https://github.com/facebook/jest/blob/master/CHANGELOG.md)
- [Commits](https://github.com/facebook/jest/commits/v24.8.0/packages/babel-jest)

This reverts commit 9ab053a4b4.

Bumps [eslint-plugin-jsx-a11y](https://github.com/evcohen/eslint-plugin-jsx-a11y) from 6.1.2 to 6.2.1.
- [Release notes](https://github.com/evcohen/eslint-plugin-jsx-a11y/releases)
- [Changelog](https://github.com/evcohen/eslint-plugin-jsx-a11y/blob/master/CHANGELOG.md)
- [Commits](https://github.com/evcohen/eslint-plugin-jsx-a11y/compare/v6.1.2...v6.2.1)

Bumps [jest](https://github.com/facebook/jest) from 24.5.0 to 24.8.0.
- [Release notes](https://github.com/facebook/jest/releases)
- [Changelog](https://github.com/facebook/jest/blob/master/CHANGELOG.md)
- [Commits](https://github.com/facebook/jest/compare/v24.5.0...v24.8.0)

Bumps [webpack-dev-server](https://github.com/webpack/webpack-dev-server) from 3.2.1 to 3.5.1.
- [Release notes](https://github.com/webpack/webpack-dev-server/releases)
- [Changelog](https://github.com/webpack/webpack-dev-server/blob/master/CHANGELOG.md)
- [Commits](https://github.com/webpack/webpack-dev-server/compare/v3.2.1...v3.5.1)

Bumps [eslint-plugin-promise](https://github.com/xjamundx/eslint-plugin-promise) from 4.0.1 to 4.1.1.
- [Release notes](https://github.com/xjamundx/eslint-plugin-promise/releases)
- [Changelog](https://github.com/xjamundx/eslint-plugin-promise/blob/master/CHANGELOG.md)
- [Commits](https://github.com/xjamundx/eslint-plugin-promise/commits)

Bumps [autoprefixer](https://github.com/postcss/autoprefixer) from 9.4.10 to 9.5.1.
- [Release notes](https://github.com/postcss/autoprefixer/releases)
- [Changelog](https://github.com/postcss/autoprefixer/blob/master/CHANGELOG.md)
- [Commits](https://github.com/postcss/autoprefixer/compare/9.4.10...9.5.1)

Bumps [rails-ujs](https://github.com/rails/rails) from 5.2.2 to 5.2.3.
- [Release notes](https://github.com/rails/rails/releases)
- [Commits](https://github.com/rails/rails/compare/v5.2.2...v5.2.3)

Bumps [sass](https://github.com/sass/dart-sass) from 1.17.2 to 1.20.1.
- [Release notes](https://github.com/sass/dart-sass/releases)
- [Changelog](https://github.com/sass/dart-sass/blob/master/CHANGELOG.md)
- [Commits](https://github.com/sass/dart-sass/compare/1.17.2...1.20.1)

Bumps [axios](https://github.com/axios/axios) from 0.18.0 to 0.19.0. **This update includes security fixes.**
- [Release notes](https://github.com/axios/axios/releases)
- [Changelog](https://github.com/axios/axios/blob/master/CHANGELOG.md)
- [Commits](https://github.com/axios/axios/compare/v0.18.0...v0.19.0)

Bumps [dotenv](https://github.com/motdotla/dotenv) from 6.2.0 to 8.0.0.
- [Release notes](https://github.com/motdotla/dotenv/releases)
- [Changelog](https://github.com/motdotla/dotenv/blob/master/CHANGELOG.md)
- [Commits](https://github.com/motdotla/dotenv/compare/v6.2.0...v8.0.0)

Bumps [webpack-cli](https://github.com/webpack/webpack-cli) from 3.2.3 to 3.3.2.
- [Release notes](https://github.com/webpack/webpack-cli/releases)
- [Changelog](https://github.com/webpack/webpack-cli/blob/master/CHANGELOG.md)
- [Commits](https://github.com/webpack/webpack-cli/compare/V.3.2.3...v3.3.2)

Bumps [react-redux-loading-bar](https://github.com/mironov/react-redux-loading-bar) from 4.0.8 to 4.2.0.
- [Release notes](https://github.com/mironov/react-redux-loading-bar/releases)
- [Changelog](https://github.com/mironov/react-redux-loading-bar/blob/master/CHANGELOG.md)
- [Commits](https://github.com/mironov/react-redux-loading-bar/commits)

Bumps [react-select](https://github.com/JedWatson/react-select) from 2.2.0 to 2.4.4.
- [Release notes](https://github.com/JedWatson/react-select/releases)
- [Changelog](https://github.com/JedWatson/react-select/blob/master/.sweet-changelogs.js)
- [Commits](https://github.com/JedWatson/react-select/compare/v2.2.0...v2.4.4)

Bumps [object.values](https://github.com/es-shims/Object.values) from 1.0.4 to 1.1.0.
- [Release notes](https://github.com/es-shims/Object.values/releases)
- [Changelog](https://github.com/es-shims/Object.values/blob/master/CHANGELOG.md)
- [Commits](https://github.com/es-shims/Object.values/compare/v1.0.4...v1.1.0)

Bumps [js-yaml](https://github.com/nodeca/js-yaml) from 3.12.0 to 3.13.1.
- [Release notes](https://github.com/nodeca/js-yaml/releases)
- [Changelog](https://github.com/nodeca/js-yaml/blob/master/CHANGELOG.md)
- [Commits](https://github.com/nodeca/js-yaml/compare/3.12.0...3.13.1)

Bumps [express](https://github.com/expressjs/express) from 4.16.4 to 4.17.1.
- [Release notes](https://github.com/expressjs/express/releases)
- [Changelog](https://github.com/expressjs/express/blob/master/History.md)
- [Commits](https://github.com/expressjs/express/compare/4.16.4...4.17.1)

Bumps [intl-relativeformat](https://github.com/yahoo/intl-relativeformat) from 2.1.0 to 2.2.0.
- [Release notes](https://github.com/yahoo/intl-relativeformat/releases)
- [Commits](https://github.com/yahoo/intl-relativeformat/commits)

Bumps [babel-plugin-react-intl](https://github.com/formatjs/babel-plugin-react-intl) from 3.0.1 to 3.1.0.
- [Release notes](https://github.com/formatjs/babel-plugin-react-intl/releases)
- [Commits](https://github.com/formatjs/babel-plugin-react-intl/commits)

Bumps [react-redux](https://github.com/reduxjs/react-redux) from 6.0.0 to 6.0.1.
- [Release notes](https://github.com/reduxjs/react-redux/releases)
- [Changelog](https://github.com/reduxjs/react-redux/blob/master/CHANGELOG.md)
- [Commits](https://github.com/reduxjs/react-redux/compare/v6.0.0...v6.0.1)

Bumps [@babel/plugin-transform-runtime](https://github.com/babel/babel) from 7.3.4 to 7.4.4.
- [Release notes](https://github.com/babel/babel/releases)
- [Changelog](https://github.com/babel/babel/blob/master/CHANGELOG.md)
- [Commits](https://github.com/babel/babel/compare/v7.3.4...v7.4.4)

Bumps [rimraf](https://github.com/isaacs/rimraf) from 2.6.2 to 2.6.3.
- [Release notes](https://github.com/isaacs/rimraf/releases)
- [Commits](https://github.com/isaacs/rimraf/compare/v2.6.2...v2.6.3)

* Add blurhash

* Use fallback color for spoiler when blurhash missing

* Federate the blurhash and accept it as long as it's at most 5x5

* Display unknown media attachments as blurhash placeholders

* Improve style of embed actions and spoiler button

* Change blurhash resolution from 3x3 to 4x4

* Improve dependency definitions

* Fix code style issues

Fix #10315

This reverts commit db06b25376.

This reverts commit db06b25376.

* fix: update to emoji-mart 2.10.0

* remove useless change

* fix CSS style of emoji picker, improve a11y

* fix missing newline in scss

* fix the title and input fonts

Bumps [webpacker](https://github.com/rails/webpacker) from 3.5.5 to 4.0.2.
- [Release notes](https://github.com/rails/webpacker/releases)
- [Changelog](https://github.com/rails/webpacker/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rails/webpacker/compare/v3.5.5...v4.0.2)

Signed-off-by: dependabot[bot] <support@dependabot.com>
Co-authored-by: Yamagishi Kazutoshi <ykzts@desire.sh>

added `not dead` to browserslist config, because the previous config covered e.g. IE Versions, that are not maintained + IE >= 11. 

considering [browserslist best practice guide](https://github.com/browserslist/browserslist/blob/master/README.md#best-practices)

* Update react-* to v16.7.0

* Upgrade react-hotkeys to v1.1.4

* Update react-intl to v2.7.2

* Update react-select to v2.2.0

* Update react-swipeable-views to v0.13.0

* Upgrade react-textarea-autosize to v7.1.0

* Upgrade redux to v4.0.1

* Upgrade reselect to v4.0.0

* Update raf to v3.4.1

* Update enzyme to v3.8.0

* Update rails-ujs to v5.2.2

* Update axios to v0.18.0

* Update http-link-header to v1.0.2

* Update rellax to v1.7.1

* Update intersection-observer to v0.5.1

* Update stringz to v1.0.0

* Upgrade babel-eslint to v10.0.1

* Update @babel/* to v7.2.x

* Update babel-plugin-react-intl to v3.0.1

* Update babel-plugin-transform-react-remove-prop-types to v0.4.21

* Upgrade dotenv to v6.2.0

* Update express to v4.16.4

* Update webpack to v4.28.3

* Upgrade autoprefixer to v9.4.3

* Update babel-loader to v8.0.4

* Upgrade css-loader to v2.1.0

* Upgrade file-loader to v3.0.1

* Update marky to v1.2.1

* Update mini-css-extract-plugin to v0.5.0

* Update offline-plugin to v5.0.6

* Update style-loader to v0.23.1

* Update eslint-plugin-jsx-a11y to v6.1.2

* yarn upgrade

* fix

* Replace webpack-manifest-plugin to webpack-assets-manifest

* Replace node-zopfli to @gfz/zopfli

* Remove monkey-patch for http-link-header

Fix #9359