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

Conflicts:
- `app/models/status.rb`:
  Upstream updated media and edit-related code textually close to glitch-soc
  additions (local-only and content-type).
  Ported upstream changes.
- `app/models/status_edit.rb`:
  Upstream changes textually close to glitch-soc additions (content-type).
  Ported upstream changes.
- `app/serializers/activitypub/note_serializer.rb`:
  Upstream changed how media attachments are handled. Not really a conflict,
  but textually close to glitch-soc additions (directMessage attribute).
  Ported upstream changes.
- `app/services/remove_status_service.rb`:
  Upstream changed how media attachments are handled. Not really a conflict,
  but textually close to glitch-soc additions (DM timeline).
  Ported upstream changes.
- `app/services/update_status_service.rb`:
  Upstream fixed an issue with language selection. Not really a conflict,
  but textually close to glitch-soc additions (content-type).
  Ported upstream changes.
- `db/schema.rb`:
  Upstream added columns to the `status_edits` table, the conflict is because
  of an additional column (`content-type`) in glitch-soc.
  Ported upstream changes.
- `package.json`:
  Upstream dependency (express) textually adjacent to a glitch-soc-specific one
  (favico.js) got updated.
  Updated it as well.

db/post_migrate/20220303203437_remove_media_attachments_changed_from_status_edits.rb

@@ -0,0 +1,7 @@
+# frozen_string_literal: true
+
+class RemoveMediaAttachmentsChangedFromStatusEdits < ActiveRecord::Migration[5.2]
+  def change
+    safety_assured { remove_column :status_edits, :media_attachments_changed, :boolean, default: false, null: false }
+  end
+end