Merge branch 'set-sast-config-1' into 'main'

Configure SAST in `.gitlab-ci.yml`, creating this file if it does not already exist

See merge request olivier.maury/gwt-expe!2

.gitlab-ci.yml

@@ -7,3 +7,8 @@
 # See https://docs.gitlab.com/ee/ci/variables/#cicd-variable-precedence
 include:
 - template: Security/Secret-Detection.gitlab-ci.yml
+- template: Security/SAST.gitlab-ci.yml
+stages:
+- test
+sast:
+  stage: test