Merge branch '425312-clean-merge-sbom-api' into 'master'

Remove merge_sbom_api FF and make feature GA

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/133724



Merged-by: drew stachon <730684-drew@users.noreply.gitlab.com>
Approved-by: Patrick Cyiza <jpcyiza@gitlab.com>
Approved-by: drew stachon <730684-drew@users.noreply.gitlab.com>
Approved-by: Russell Dickenson <rdickenson@gitlab.com>
Co-authored-by: Russell Dickenson <rdickenson@gitlab.com>
Co-authored-by: atiwari71 <atiwari@gitlab.com>