feat: Add GitHub Actions workflow for automatic Homebrew formula update

.github/workflows/main.yml

@@ -0,0 +1,28 @@
+name: Bump Homebrew Formula
+on:
+  push:
+    branches: [main]
+jobs:
+  homebrew:
+    name: Bump Homebrew formula
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+    steps:
+      - name: Extract version
+        id: extract-version
+        run: |
+          echo "tag-name=${GITHUB_REF#refs/tags/}" >> $GITHUB_ENV
+      - name: Bump Homebrew formula
+        uses: mislav/bump-homebrew-formula-action@v3
+        with:
+          formula-name: rando_lgtm
+          formula-path: rando_lgtm.rb
+          homebrew-tap: yossydev/homebrew-RandoLGTM
+          base-branch: main
+          download-url: https://github.com/yossydev/RandoLGTM/archive/refs/tags/${{ steps.extract-version.outputs.tag-name }}.tar.gz
+          commit-message: |
+            rando_lgtm ${{ steps.extract-version.outputs.tag-name }}
+            Created by https://github.com/mislav/bump-homebrew-formula-action
+        env:
+          COMMITTER_TOKEN: ${{ secrets.COMMITTER_TOKEN }}