ci(generate-libraries): run update_libraries.sh (#8961)
ci(generate-libraries): run update_libraries.sh (#8961)

Update the protobuf lists/deps during the `generate-libraries` build.
Any edits or new files this produces will be cause the build to fail
due to the subsequent git diff/status checks.  Part of #7372.
googleapis/google-cloud-cpp,googleapis/google-cloud-cpp,googleapis/google-cloud-cpp,googleapis/google-cloud-cpp