workflow(homebrew): update to use personal fork (#1466)

Signed-off-by: Rui Chen <rui@chenrui.dev>

Author: chenrui333

.github/workflows/homebrew.yml

@@ -9,9 +9,10 @@ jobs:
     name: Bump Homebrew formula
     runs-on: ubuntu-latest
     steps:
-      - uses: mislav/bump-homebrew-formula-action@v1
+      - uses: mislav/bump-homebrew-formula-action@v2
         with:
           # A PR will be sent to github.com/Homebrew/homebrew-core to update this formula:
           formula-name: tflint
+          push-to: chenrui333/homebrew-core
         env:
           COMMITTER_TOKEN: ${{ secrets.COMMITTER_TOKEN }}