Merge branch 'mokhax/403153/pending-security-finding-create-merge-request' into 'master'

Enable pending spec for Mutation.securityFindingCreateMergeRequest

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/137141



Merged-by: Niko Belokolodov <nbelokolodov@gitlab.com>
Approved-by: Niko Belokolodov <nbelokolodov@gitlab.com>
Approved-by: Alex Buijs <abuijs@gitlab.com>
Co-authored-by: mo khan <mo@mokhan.ca>