us-docker.pkg.dev/grpc-testing/testing-images-public/ruby_debian10_x64_ruby_2_7:9a09a0a915e62249957791eda907a011078c5aea@sha256:5ee26ad3abe2683c9a8ee03987ab0ae63f50793c3d3f5e4be6e6cbacb4556fcf