ci: Add brew bump formula version

.github/workflows/workflow.yml

@@ -152,9 +152,23 @@ jobs:
         env:
           CRATES_IO_TOKEN: ${{ secrets.CRATES_IO_TOKEN }}
 
+  # Create a PR to bump the brew formula version
+  brew_bump_formula:
+    if: startsWith(github.ref, 'refs/tags/v')
+    name: Bump Brew Formula
+    needs: [test, docker_test]
+    runs-on: macos-latest
+    steps:
+      - uses: actions/checkout@v1
+      - run: export COMMIT_TAG=$(git describe --tags)
+      - run: brew bump-formula-pr --url=https://github.com/starship/starship/archive/$COMMIT_TAG.tar.gz --message="Automated release pull request using continuous integration." --no-browse -v starship --force
+    env:
+      GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+  # Create GitHub release with Rust build targets and release notes
   github_release:
     if: startsWith(github.ref, 'refs/tags/v')
-    name: Create GitHub release
+    name: Create GitHub Release
     needs: [test, docker_test]
     strategy:
       fail-fast: false
@@ -211,7 +225,7 @@ jobs:
           # Temporary fix for https://github.com/actions/setup-go/issues/14
           export PATH=$PATH:$(go env GOPATH)/bin
           go get -u github.com/git-chglog/git-chglog/cmd/git-chglog
-          git-chglog -c .github/chglog/release.yml $(git describe --tags $(git rev-list --tags --max-count=1)) > RELEASE.txt
+          git-chglog -c .github/chglog/release.yml $(git describe --tags) > RELEASE.txt
 
       - name: Create GitHub release ${{ matrix.target }}
         uses: softprops/action-gh-release@v1