add config and manifest ref

Author: ramsessanchez

.github/workflows/release-please-gha.yml

@@ -27,8 +27,10 @@ jobs:
         with:
           app-id: ${{ vars.RELEASE_PLEASE_TOKEN_PROVIDER_APP_ID }}
           private-key: ${{ secrets.RELEASE_PLEASE_TOKEN_PROVIDER_PEM }}
-          
+
       - name: Release Please
         uses: googleapis/release-please-action@v4
         with:
           token: ${{ steps.app-token.outputs.token }}
+          config-file: release-please-config.json
+          manifest-file: .release-please-manifest.json