Add instrumentation classes for runners_usage metrics
As a part of our effort to remove usage_data
we need to migrate runners_usage
metrics https://gitlab.com/gitlab-org/gitlab/-/blob/4ea7ab9e7591b0cc337937eef3bc0c334b44b85b/lib/gitlab/usage_data.rb#L159-159 and remove the according code
Edited by Niko Belokolodov