Remove tab for space

.gitlab-ci.yml

@@ -26,14 +26,14 @@ build_docker:
     - apk add git subversion git-lfs bash
     - cd Docker
     - bash build_docker.sh
-    
+
 push_docker_tags:
   image: docker:latest
   allow_failure: true
   stage: push_docker
-  only: 
+  only:
     - tags
-  script: 
+  script:
     - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
     - docker tag lofareosc/prefactor-ci:latest $CI_REGISTRY/prefactor-ci:$CI_COMMIT_REF_NAME
     - docker push $CI_REGISTRY/prefactor-ci:$CI_COMMIT_REF_NAME