Merge branch 'add-catalog-resource-sync-events' into 'master'

Background syncing of catalog_resources and projects

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/137238



Merged-by: Laura Montemayor <lmontemayor@gitlab.com>
Approved-by: Dylan Griffith <dyl.griffith@gmail.com>
Approved-by: Avielle Wolfe <awolfe@gitlab.com>
Approved-by: Laura Montemayor <lmontemayor@gitlab.com>
Reviewed-by: Kamil Trzciński <ayufan@ayufan.eu>
Reviewed-by: Furkan Ayhan <furkanayhn@gmail.com>
Reviewed-by: Avielle Wolfe <awolfe@gitlab.com>
Reviewed-by: Adam Hegyi <ahegyi@gitlab.com>
Reviewed-by: Leaminn Ma <lma@gitlab.com>
Co-authored-by: lma-git <lma@gitlab.com>