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.

app/controllers/auth/sessions_controller.rb

@@ -53,9 +53,9 @@ class Auth::SessionsController < Devise::SessionsController
 
       session[:webauthn_challenge] = options_for_get.challenge
 
-      render json: options_for_get, status: :ok
+      render json: options_for_get, status: 200
     else
-      render json: { error: t('webauthn_credentials.not_enabled') }, status: :unauthorized
+      render json: { error: t('webauthn_credentials.not_enabled') }, status: 401
     end
   end