change entrypoint of docker img

.gitlab-ci.yml

@@ -108,7 +108,7 @@ check:links:
    stage: check
    image:
      name: $CI_REGISTRY/r3/apps/tailorbird/linkchecker
-     entrypoint: [""]
+     entrypoint: ["/bin/bash"]
    rules:
      - if: $CI_COMMIT_REF_NAME
      - if: $CI_MERGE_REQUEST_ID