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/concerns/two_factor_authentication_concern.rb

@@ -57,10 +57,10 @@ module TwoFactorAuthenticationConcern
 
     if valid_webauthn_credential?(user, webauthn_credential)
       on_authentication_success(user, :webauthn)
-      render json: { redirect_path: after_sign_in_path_for(user) }, status: :ok
+      render json: { redirect_path: after_sign_in_path_for(user) }, status: 200
     else
       on_authentication_failure(user, :webauthn, :invalid_credential)
-      render json: { error: t('webauthn_credentials.invalid_credential') }, status: :unprocessable_entity
+      render json: { error: t('webauthn_credentials.invalid_credential') }, status: 422
     end
   end