Merge commit 'a7264a2b42' into glitch-soc/merge-upstream

Conflicts:
- `app/views/layouts/application.html.haml`:
  Conflict because of glitch-soc's different theming system.
  Ported upstream's change.

.github/workflows/lint-ruby.yml

@@ -47,4 +47,4 @@ jobs:
 
       - name: Run brakeman
         if: always() # Run both checks, even if the first failed
-        run: bundle exec brakeman
+        run: bin/brakeman

.github/workflows/rebase-needed.yml

@@ -17,7 +17,7 @@ jobs:
 
     steps:
       - name: Check for merge conflicts
-        uses: eps1lon/actions-label-merge-conflict@releases/2.x
+        uses: eps1lon/actions-label-merge-conflict@v3
         with:
           dirtyLabel: 'rebase needed :construction:'
           repoToken: '${{ secrets.GITHUB_TOKEN }}'