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

Conflicts:
- `.github/dependabot.yml`:
  Upstream made changes while we have dropped this file.
  Keep the file deleted.
- `.prettierignore`:
  Upstream made changes at the end of the file, where we
  had our extra lines.
  Just moved our extra lines back at the end.
- `app/serializers/initial_state_serializer.rb`:
  Upstream code style changes.
  Applied them.
- `app/services/backup_service.rb`:
  Upstream code style changes.
  Applied them.

app/lib/activitypub/parser/media_attachment_parser.rb

@@ -50,9 +50,7 @@ class ActivityPub::Parser::MediaAttachmentParser
     components = begin
       blurhash = @json['blurhash']
 
-      if blurhash.present? && /^[\w#$%*+,-.:;=?@\[\]^{|}~]+$/.match?(blurhash)
-        Blurhash.components(blurhash)
-      end
+      Blurhash.components(blurhash) if blurhash.present? && /^[\w#$%*+,-.:;=?@\[\]^{|}~]+$/.match?(blurhash)
     end
 
     components.present? && components.none? { |comp| comp > 5 }