Bump version to 3.4.7

CHANGELOG.md

@@ -3,6 +3,12 @@ Changelog
 
 All notable changes to this project will be documented in this file.
 
+## [3.4.7] - 2022-03-30
+### Security
+
+- Fix being able to post URLs longer than 4096 characters ([Gargron](https://github.com/mastodon/mastodon/pull/17908))
+- Fix being able to bypass e-mail restrictions ([Gargron](https://github.com/mastodon/mastodon/pull/17909))
+
 ## [3.4.6] - 2022-02-03
 ### Fixed
 - Fix `mastodon:webpush:generate_vapid_key` task requiring a functional environment ([ClearlyClaire](https://github.com/mastodon/mastodon/pull/17338))

lib/mastodon/version.rb

@@ -13,7 +13,7 @@ module Mastodon
     end
 
     def patch
-      6
+      7
     end
 
     def flags