Merge branch '39951-fix-gemnasium-created-with-gemnasium-maven' into 'master'

fix gemnasium-maven also creating gemnasium job

Closes #39951

See merge request gitlab-org/gitlab!22025

changelogs/unreleased/39951-fix-dependency-scanning-regex.yml

+---
+title: Fix regex matching for gemnasium dependency scanning jobs
+merge_request: 22025
+author: Maximilian Stendler
+type: fix

lib/gitlab/ci/templates/Security/Dependency-Scanning.gitlab-ci.yml

@@ -88,7 +88,7 @@ gemnasium-dependency_scanning:
   only:
     variables:
       - $GITLAB_FEATURES =~ /\bdependency_scanning\b/ &&
-        $DS_DEFAULT_ANALYZERS =~ /gemnasium/ &&
+        $DS_DEFAULT_ANALYZERS =~ /gemnasium([^-]|$)/ &&
         $CI_PROJECT_REPOSITORY_LANGUAGES =~ /ruby|javascript|php/
 
 gemnasium-maven-dependency_scanning: