Source from actions repo.

Author: belitskiy

.github/workflows/wait-for-connection-test.yaml

@@ -38,5 +38,7 @@ jobs:
         uses: ./actions/ci_connection/
         with:
           halt-dispatch-input: ${{ inputs.halt-for-connection }}
+          repository: google-ml-infra/actions
+          ref: polish_ssh_connection_action
       - name: Echo
         run: echo "Real job here..."