.github/workflows: use brew typecheck in tapioca.yml

.github/workflows/tapioca.yml

@@ -21,16 +21,12 @@ jobs:
         with:
           username: BrewTestBot
 
-      # TODO: remove with `brew typecheck`
       - name: Set up Ruby
         uses: actions/setup-ruby@main
         with:
           ruby-version: '2.6'
       - name: Install RubyGems
-        run: |
-          cd "$GITHUB_WORKSPACE/Library/Homebrew"
-          gem install bundler -v "~>1"
-          bundle install --jobs 4 --retry 3
+        run: brew typecheck --update-definitions
 
       - name: Update Tapioca definitions
         id: update
@@ -48,13 +44,7 @@ jobs:
             BRANCH_EXISTS="1"
           fi
 
-          # TODO: replace with `brew typecheck`
-          cd "$GITHUB_WORKSPACE/Library/Homebrew"
-          bundle exec tapioca sync --exclude json
-          bundle exec srb rbi hidden-definitions
-          if ! git diff --no-patch --exit-code -- sorbet; then
-
-          # if brew typecheck --update --fail-if-not-changed; then
+          if brew typecheck --update-definitions --fail-if-not-changed; then
             git add "$GITHUB_WORKSPACE/Library/Homebrew/sorbet"
             git commit -m "sorbet: update RBI files using Tapioca." -m "Autogenerated by [a scheduled GitHub Action](https://github.com/Homebrew/brew/blob/master/.github/workflows/tapioca.yml)."
             echo "::set-output name=committed::true"