Merge branch 'main' into glitch-soc/merge-upstream

Conflicts:
- `.prettierignore`:
  Upstream added a line at the end of the file, while glitch-soc had its own
  extra lines.
  Took upstream's change.
- `CONTRIBUTING.md`:
  We have our custom CONTRIBUTING.md quoting upstream. Upstream made changes.
  Ported upstream changes.
- `app/controllers/application_controller.rb`:
  Upstream made code style changes in a method that is entirely replaced
  in glitch-soc.
  Ignored the change.
- `app/models/account.rb`:
  Code style changes textually close to glitch-soc-specific changes.
  Ported upstream changes.
- `lib/sanitize_ext/sanitize_config.rb`:
  Upstream code style changes.
  Ignored them.

CONTRIBUTING.md

@@ -37,9 +37,7 @@ You should also try to follow the guidelines set out in the original `CONTRIBUTI
 
 <blockquote>
 
-CONTRIBUTING
-=======
-Contributing
+# Contributing
 
 Thank you for considering contributing to Mastodon 🐘
 
@@ -68,9 +66,9 @@ You can submit translations via [Crowdin](https://crowdin.com/project/mastodon).
 
 Example:
 
-|Not ideal|Better|
-|---|----|
-|Fixed NoMethodError in RemovalWorker|Fix nil error when removing statuses caused by race condition|
+| Not ideal                            | Better                                                        |
+| ------------------------------------ | ------------------------------------------------------------- |
+| Fixed NoMethodError in RemovalWorker | Fix nil error when removing statuses caused by race condition |
 
 It is not always possible to phrase every change in such a manner, but it is desired.