Merge branch 'docs-bprescott/20230712-393412repomirror' into 'master'

Troubleshoot repository mirroring pipelines

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/126202



Merged-by: Marcel Amirault <mamirault@gitlab.com>
Approved-by: Marcel Amirault <mamirault@gitlab.com>
Reviewed-by: Marcel Amirault <mamirault@gitlab.com>
Co-authored-by: Ben Prescott <bprescott@gitlab.com>