Fix versioning

.gitlab-ci.yml

 variables:
-  VERSION: 11.2.0
+  VERSION: ${CI_COMMIT_TAG}
+  CYPRESS_VERSION: 11.2.0
 
 before_script:
   - docker login -u "$CI_REGISTRY_USER" -p "$CI_REGISTRY_PASSWORD" $CI_REGISTRY
@@ -9,7 +10,7 @@ build:
   tags:
     - default
   script:
-    - docker build --pull --build-arg VERSION=${VERSION} -t ${CI_REGISTRY_IMAGE}:${VERSION} .
+    - docker build --pull --build-arg VERSION=${CYPRESS_VERSION} -t ${CI_REGISTRY_IMAGE}:${VERSION} .
     - docker push ${CI_REGISTRY_IMAGE}:${VERSION}
     - docker tag ${CI_REGISTRY_IMAGE}:${VERSION} ${CI_REGISTRY_IMAGE}:latest
     - docker push ${CI_REGISTRY_IMAGE}:latest