Update .gitlab-ci.yml

.gitlab-ci.yml

@@ -12,4 +12,4 @@ docker-build:
   script:
     - "/kaniko/executor --context $CI_PROJECT_DIR --dockerfile $CI_PROJECT_DIR/Dockerfile --destination $CI_REGISTRY_IMAGE:latest --build-arg vcs-rev=$CI_COMMIT_SHORT_SHA"
   only:
-    - played-around
+    - master