Merge branch '455261-support-override-strategy' into 'master'

Add support for override_project_ci strategy in PEP

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/151339



Merged-by: Fabio Pitino <fpitino@gitlab.com>
Approved-by: Furkan Ayhan <furkanayhn@gmail.com>
Approved-by: Bob Van Landuyt <bob@gitlab.com>
Approved-by: Fabio Pitino <fpitino@gitlab.com>
Reviewed-by: Furkan Ayhan <furkanayhn@gmail.com>
Reviewed-by: Fabio Pitino <fpitino@gitlab.com>
Reviewed-by: Martin Čavoj <mcavoj@gitlab.com>
Co-authored-by: Andy Soiron <asoiron@gitlab.com>
Co-authored-by: Martin Čavoj <mcavoj@gitlab.com>