CI: Update Brew on new releases

.github/workflows/buildAndDeploy.yml

@@ -363,3 +363,17 @@ jobs:
           ssh_keyscan_types: rsa
           updpkgsums: true
           allow_empty_commits: false
+          
+  brew-update:
+    continue-on-error: true
+    runs-on: ubuntu-latest
+    needs: [ get-release-body, upload-github-release-and-post-to-discord ]
+    steps:
+      - name: Update Homebrew formula
+        continue-on-error: true
+        uses: mislav/bump-homebrew-formula-action@v3
+        with:
+          formula-name: unciv
+          download-url: https://github.com/yairm210/Unciv/releases/download/${{ github.ref_name }}/Unciv.jar
+        env:
+          COMMITTER_TOKEN: ${{ secrets.GITHUB_TOKEN }}