ci: brew test-bot and bottles

https://brew.sh/2020/11/18/homebrew-tap-with-bottles-uploaded-to-github-releases/

.github/workflows/publish.yml

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+name: brew pr-pull
+
+on:
+  pull_request_target:
+    types:
+      - labeled
+
+jobs:
+  pr-pull:
+    if: contains(github.event.pull_request.labels.*.name, 'pr-pull')
+    runs-on: ubuntu-22.04
+    permissions:
+      contents: write
+      packages: write
+      pull-requests: write
+    steps:
+      - name: Set up Homebrew
+        uses: Homebrew/actions/setup-homebrew@master
+
+      - name: Set up git
+        uses: Homebrew/actions/git-user-config@master
+
+      - name: Pull bottles
+        env:
+          HOMEBREW_GITHUB_API_TOKEN: ${{ github.token }}
+          HOMEBREW_GITHUB_PACKAGES_TOKEN: ${{ github.token }}
+          HOMEBREW_GITHUB_PACKAGES_USER: ${{ github.repository_owner }}
+          PULL_REQUEST: ${{ github.event.pull_request.number }}
+        run: brew pr-pull --debug --tap="$GITHUB_REPOSITORY" "$PULL_REQUEST"
+
+      - name: Push commits
+        uses: Homebrew/actions/git-try-push@master
+        with:
+          token: ${{ github.token }}
+          branch: main
+
+      - name: Delete branch
+        if: github.event.pull_request.head.repo.fork == false
+        env:
+          BRANCH: ${{ github.event.pull_request.head.ref }}
+        run: git push --delete origin "$BRANCH"

.github/workflows/tests.yml

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+name: brew test-bot
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+
+jobs:
+  test-bot:
+    strategy:
+      matrix:
+        os: [ubuntu-22.04, macos-13, macos-14]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - name: Set up Homebrew
+        id: set-up-homebrew
+        uses: Homebrew/actions/setup-homebrew@master
+
+      - name: Cache Homebrew Bundler RubyGems
+        uses: actions/cache@v4
+        with:
+          path: ${{ steps.set-up-homebrew.outputs.gems-path }}
+          key: ${{ matrix.os }}-rubygems-${{ steps.set-up-homebrew.outputs.gems-hash }}
+          restore-keys: ${{ matrix.os }}-rubygems-
+
+      - run: brew test-bot --only-cleanup-before
+
+      - run: brew test-bot --only-setup
+
+      - run: brew test-bot --only-tap-syntax
+
+      - run: brew test-bot --only-formulae --root-url='https://ghcr.io/v2/cartesi/homebrew-tap'
+        if: github.event_name == 'pull_request'
+
+      - name: Upload bottles as artifact
+        if: always() && github.event_name == 'pull_request'
+        uses: actions/upload-artifact@v4
+        with:
+          name: bottles_${{ matrix.os }}
+          path: "*.bottle.*"