Bump version to 3.4.3

CHANGELOG.md

@@ -3,6 +3,11 @@ Changelog
 
 All notable changes to this project will be documented in this file.
 
+## [3.4.3] - 2021-11-06
+### Fixed
+
+- Fix login being broken due to inaccurately applied backport fix in 3.4.2 ([Gargron](https://github.com/mastodon/mastodon/commit/5c47a18c8df3231aa25c6d1f140a71a7fac9cbf9))
+
 ## [3.4.2] - 2021-11-06
 ### Added
 

lib/mastodon/version.rb

@@ -13,7 +13,7 @@ module Mastodon
     end
 
     def patch
-      2
+      3
     end
 
     def flags