Fix broken CI YAML

.gitlab-ci.yml

@@ -50,9 +50,9 @@ push:
     - mkdir -p public
     - curl --user gitlab-ci-token:$CI_JOB_TOKEN "${CI_API_V4_URL}/projects/${CI_PROJECT_ID}/packages/helm/api/${CHANNEL}/index.yaml" -o public/index.yaml
     - sed -e 's|- charts/|- ${CI_API_V4_URL}/projects/${CI_PROJECT_ID}/packages/helm/${CHANNEL}/|' -i public/index.yaml
-   artifacts:
-     paths:
-       - public
+  artifacts:
+    paths:
+      - public
   variables:
     CHANNEL: stable
   only: