Merge branch 'remove-before-validation-from-generic-commit-status' into 'master'

Removes set_default_values from GenericCommitStatus

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/104714



Merged-by: Furkan Ayhan <furkanayhn@gmail.com>
Approved-by: Max Orefice <morefice@gitlab.com>
Approved-by: Furkan Ayhan <furkanayhn@gmail.com>
Co-authored-by: Laura Montemayor <lmontemayor@gitlab.com>