Add SAST and Dependency scanning

plugins/templates/gitlab-tools.yml

+include:
+  - template: Security/SAST.gitlab-ci.yml
+  - template: Security/Dependency-Scanning.gitlab-ci.yml
+
+dependency_scanning:
+  before_script: echo ""
+  stage: security
+
+sast:
+  before_script: echo ""
+  stage: security