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/models/account.rb

@@ -313,9 +313,7 @@ class Account < ApplicationRecord
 
         previous = old_fields.find { |item| item['value'] == attr[:value] }
 
-        if previous && previous['verified_at'].present?
-          attr[:verified_at] = previous['verified_at']
-        end
+        attr[:verified_at] = previous['verified_at'] if previous && previous['verified_at'].present?
 
         fields << attr
       end
@@ -459,13 +457,12 @@ class Account < ApplicationRecord
       return [] if text.blank?
 
       text.scan(MENTION_RE).map { |match| match.first.split('@', 2) }.uniq.filter_map do |(username, domain)|
-        domain = begin
-          if TagManager.instance.local_domain?(domain)
-            nil
-          else
-            TagManager.instance.normalize_domain(domain)
-          end
-        end
+        domain = if TagManager.instance.local_domain?(domain)
+                   nil
+                 else
+                   TagManager.instance.normalize_domain(domain)
+                 end
+
         EntityCache.instance.mention(username, domain)
       end
     end