ci(rules): Run on publish branch

.gitlab-ci.yml

@@ -26,6 +26,7 @@ test-build:
   rules:
     - if: $CI_PIPELINE_SOURCE == "merge_request_event"
     - if: $CI_COMMIT_BRANCH == "main" && $CI_PIPELINE_SOURCE == "push"
+    - if: $CI_COMMIT_BRANCH == "publish" && $CI_PIPELINE_SOURCE == "push"
   script:
     - pip install -r requirements.txt
     - jupyter-book clean book/