Merge branch '461887-rewrite-history-instrumentation' into 'master'

Add instrumentation for RewriteHistory Gitaly RPC (remove blobs)

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/158031



Merged-by: Jonas Larsen <jlarsen@gitlab.com>
Approved-by: Tomas Vik <tvik@gitlab.com>
Approved-by: Jonas Larsen <jlarsen@gitlab.com>
Reviewed-by: Jacques Erasmus <jerasmus@gitlab.com>
Reviewed-by: Jonas Larsen <jlarsen@gitlab.com>
Co-authored-by: Jacques <jerasmus@gitlab.com>