Merge branch '208715-bump-tslint-search-depth' into 'master'

Set search max depth to 4 in sast template

Closes #208715

See merge request gitlab-org/gitlab!29732

changelogs/unreleased/208715-bump-tslint-search-depth.yml

+---
+title: Bump max search depth from 2 to 4 when looking for files SAST analyzers can handle
+merge_request: 29732
+author:
+type: fixed

lib/gitlab/ci/templates/Security/SAST.gitlab-ci.yml

@@ -24,6 +24,7 @@ sast:
       - $GITLAB_FEATURES =~ /\bsast\b/
   image: docker:stable
   variables:
+    SEARCH_MAX_DEPTH: 4
     DOCKER_DRIVER: overlay2
     DOCKER_TLS_CERTDIR: ""
   services: