fix(web): skip_cleanup set true on travis

Author: TorstenDittmann

templates/web/.travis.yml.twig

@@ -17,5 +17,6 @@ jobs:
         provider: npm
         email: $NPM_EMAIL
         api_key: $NPM_API_KEY
+        skip_cleanup: true
         on:
-          tags: true
+          tags: true