us-docker.pkg.dev/grpc-testing/testing-images-public/cxx_debian12_openssl309_x64:0d192c86a2e41e28059a972564b80237137458b7@sha256:e8878bf31f42f8af6a7f3b45d0cb79f29fc46c44721b4a8357a2070ab1f5b3e0