Use CI_COMMIT_REF_SLUG as container image tag in CI pipeline

.gitlab-ci.yml

 
 variables:
-  CONTAINER_BRANCH_IMAGE: $CI_REGISTRY_IMAGE:$CI_COMMIT_REF_NAME
+  CONTAINER_BRANCH_IMAGE: $CI_REGISTRY_IMAGE:$CI_COMMIT_REF_SLUG
 
 stages:
   - compile
@@ -94,7 +94,7 @@ docker-release:
   script:
     - >
       awx job_templates launch ${AWX_JOB_TEMPLATE}
-      --extra_vars "naming_container_image_tag: $CI_COMMIT_REF_NAME"
+      --extra_vars "naming_container_image_tag: $CI_COMMIT_REF_SLUG"
       --monitor
   dependencies: []
   only: