Resolve "Adjust pipeline and git options after GitLab update"

See merge request !515

Co-authored-by: Malte Bauch <malte.bauch@stud.h-da.de>

.gitlab/ci/.security-and-compliance-ci.yml

@@ -33,8 +33,7 @@ semgrep-sast:
 container_scanning:
     stage: analyze
     variables:
-        DOCKER_IMAGE: "${GOSDN_IMAGE}"
-        DOCKER_USER: "${CI_REGISTRY_USER}"
-        DOCKER_PASSWORD: "${CI_REGISTRY_PASSWORD}"
+        GIT_STRATEGY: fetch
+        CS_IMAGE: "${GOSDN_IMAGE}"
     needs:
         - build-controller-image