Only deploy if on version tag and DEPLOY_PAGES set

.gitlab-ci-pages.yml

@@ -18,6 +18,4 @@ pages:
   # and only if DEPLOY_PAGES is set (which is set in the separate private pages repo)
   only:
     variables:
-      - $CI_COMMIT_TAG =~ /^v.*$/
-      - $DEPLOY_PAGES
-
+      - $CI_COMMIT_TAG =~ /^v.*$/ && $DEPLOY_PAGES