Add grpc prometheus client middleware to gitaly and workhorse
In Gitaly, we want this to track our gitaly-ruby calls.
In workhorse we want this to track our gitaly calls.
https://github.com/grpc-ecosystem/go-grpc-prometheus#client-side
In Gitaly, we want this to track our gitaly-ruby calls.
In workhorse we want this to track our gitaly calls.
https://github.com/grpc-ecosystem/go-grpc-prometheus#client-side