Moved master to main

.gitlab-ci.yml

@@ -53,7 +53,7 @@ release:
     script:
         - docker run --rm -v /var/www/html/hpc-wiki:/mnt ${BASE_IMAGE} mkdocs build --site-dir /mnt
     only:
-        - master
+        - main
 
 release_devel:
     stage: release