feat: tag only on latest

.gitlab-ci.yml

@@ -41,6 +41,9 @@ tag:
   stage: deploy
   variables:
     VERSION_FILE: "lib/jekyll-theme-lcsb-default.rb"
+  rules:
+    # Run only on branch named "latest"
+    - if: $CI_COMMIT_BRANCH == "latest"
   script:
     # Make sure that the version exists
     - VERSION=$(cat $VERSION_FILE | grep -o "\d\.\d\.\d")