"signatures" did not exist on "v11.6.6"
Merge branch 'security-fix-regex-dos-11-6' into 'security-11-6'
[11.6] Fix DoS in reference extraction regexes See merge request gitlab/gitlabhq!2778 (cherry picked from commit 06f1ea1f540b62aefbaa4f69901de2d29df11e7c) e73f2f1d Fix slow project reference pattern regex