auto trigger standalone workflow from the branch

.github/workflows/benchmarks-standalone.yml

@@ -1,6 +1,9 @@
-name: benchmarks
+name: benchmarks-standalone
 
 on:
+  push:
+    branches:
+      - inject-build-pgo-profile
   workflow_dispatch:
     inputs:
       benchmarkAgents:
@@ -69,8 +72,15 @@ jobs:
           if [ ! -z "${{ inputs.benchmarkRun }}" ]; then
             echo "BENCHMARK_RUN=${{ inputs.benchmarkRun }}" >> "$GITHUB_ENV"
           fi
+      
+      - name: Log in to the Elastic Container registry
+        uses: docker/login-action@9780b0c442fbb1117ed29e0efdff1e18412f7567 # v3.3.0
+        with:
+          registry: ${{ secrets.ELASTIC_DOCKER_REGISTRY }}
+          username: ${{ secrets.ELASTIC_DOCKER_USERNAME }}
+          password: ${{ secrets.ELASTIC_DOCKER_PASSWORD }}
 
-      - uses: elastic/oblt-actions/google/auth@v1
+      # - uses: elastic/oblt-actions/google/auth@v1
 
       - uses: elastic/oblt-actions/aws/auth@v1
         with: