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

Conflicts:
- `CONTRIBUTING.md`:
  Not a real conflict, glitch-soc quotes the upstream file, which has been
  changed. Update the quote.

app/lib/feed_manager.rb

@@ -454,8 +454,8 @@ class FeedManager
 
     active_filters.map! do |filter|
       if filter.whole_word
-        sb = filter.phrase =~ /\A[[:word:]]/ ? '\b' : ''
-        eb = filter.phrase =~ /[[:word:]]\z/ ? '\b' : ''
+        sb = /\A[[:word:]]/.match?(filter.phrase) ? '\b' : ''
+        eb = /[[:word:]]\z/.match?(filter.phrase) ? '\b' : ''
 
         /(?mix:#{sb}#{Regexp.escape(filter.phrase)}#{eb})/
       else
@@ -475,7 +475,7 @@ class FeedManager
       status.media_attachments.map(&:description).join("\n\n"),
     ].compact.join("\n\n")
 
-    !combined_regex.match(combined_text).nil?
+    combined_regex.match?(combined_text)
   end
 
   # Adds a status to an account's feed, returning true if a status was