Merge branch 'georgekoltsov/ci-pipelines-slow-import-export' into 'master'

Do not save duplicate notes when importing pipelines

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/97988



Merged-by: Ethan Urie <eurie@gitlab.com>
Approved-by: Zamir Martins <zfilho@gitlab.com>
Approved-by: Ethan Urie <eurie@gitlab.com>
Co-authored-by: George Koltsov <gkoltsov@gitlab.com>