Bumps [pkg-config](https://github.com/ruby-gnome2/pkg-config) from 1.3.3 to 1.3.4. - [Release notes](https://github.com/ruby-gnome2/pkg-config/releases) - [Changelog](https://github.com/ruby-gnome2/pkg-config/blob/master/NEWS) - [Commits](https://github.com/ruby-gnome2/pkg-config/compare/1.3.3...1.3.4) Signed-off-by: dependabot[bot] <support@dependabot.com>pull/4/head