"signatures" did not exist on "23e599fb25c4218bbe6a78670a9d5f43a912ffad"
Merge branch 'security-open-redirect-internalredirect-12-4' into '12-4-stable'
Use the '\A' and '\z' regex anchors in `InternalRedirect` to mitigate an Open Redirect issue. See merge request gitlab/gitlabhq!3488