chore: unblock ci by forcing js-yaml to >=3.13.0 #599

Author: marionebl

package.json

@@ -103,6 +103,7 @@
     "docsify-cli/**/hoek": "5.0.3",
     "docsify-cli/**/braces": "2.3.1",
     "deep-extend": "0.5.1",
-    "moment": "2.19.3"
+    "moment": "2.19.3",
+    "js-yaml": ">=3.13.0"
   }
 }