Merge branch 'mokhax/403153/vulnerability-create' into 'master'

Add custom role spec for `Mutation.vulnerabilityCreate`

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/135621



Merged-by: Bogdan Denkovych <bdenkovych@gitlab.com>
Approved-by: Serena Fang <sfang@gitlab.com>
Approved-by: Jessie Young <jessieyoung@gitlab.com>
Approved-by: Bogdan Denkovych <bdenkovych@gitlab.com>
Reviewed-by: Jessie Young <jessieyoung@gitlab.com>
Reviewed-by: mo khan <mo@mokhan.ca>
Co-authored-by: mo khan <mo@mokhan.ca>