build: use a -legacy suffix for the fork name from this repository (#4)

Author: chingor13

.github/workflows/release-please.yaml

@@ -58,7 +58,7 @@ jobs:
         labels: automated pr
         branch: create-pull-request/build-dist
         delete-branch: true
-        push-to-fork: google-github-actions-bot/${{env.ACTION_NAME}}
+        push-to-fork: google-github-actions-bot/${{env.ACTION_NAME}}-legacy
   release-please-release:
     runs-on: ubuntu-latest
     needs: [build]