Try deploying

.gitlab-ci.yml

@@ -103,3 +103,15 @@ pages:
       when: manual  # Run only when triggered manually
     - if: '$CI_PIPELINE_SOURCE == "trigger"'  # Triggered by another pipeline
       when: on_success  # Run if the source pipeline was successful
+# Deploy to GitLab Pages
+deploy_gitlab_pages:
+  stage: .post
+  script:
+    - mv $CI_PROJECT_DIR/public $CI_PROJECT_DIR/public  # Ensure the output is in the public folder
+  rules:
+    - if: '$CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH'  # Run when the commit is on the default branch
+      when: on_success  # Only run if the previous jobs are successful
+    - if: '$CI_COMMIT_BRANCH != $CI_DEFAULT_BRANCH'  # Allow manual triggers on non-default branches
+      when: manual  # Run only when triggered manually
+    - if: '$CI_PIPELINE_SOURCE == "trigger"'  # Triggered by another pipeline
+      when: on_success  # Run if the source pipeline was successful
\ No newline at end of file