Merge branch 'bl-create-git-advanced-operations-page' into 'master'

Create new Git Advanced operations page

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/169742



Merged-by: Marcin Sedlak-Jakubowski <msedlakjakubowski@gitlab.com>
Approved-by: Marcin Sedlak-Jakubowski <msedlakjakubowski@gitlab.com>
Reviewed-by: Marcin Sedlak-Jakubowski <msedlakjakubowski@gitlab.com>
Co-authored-by: Brendan Lynch <blynch@gitlab.com>