us-docker.pkg.dev/grpc-testing/testing-images-public/grpc_artifact_python_manylinux2014_x64:0af99bbd5b3f24218f6009df916a19fd7cb4f11c@sha256:67ab746e6da576606ebf41ad81027ad897544445fb93d5d5ca5f9d9b5428ec84