Bump js-yaml from 3.13.1 to 4.1.1

Author: kn1cht

package-lock.json

@@ -18,7 +18,7 @@
   "dependencies": {
     "config": "^4.4.1",
     "japanese": "^1.1.0",
-    "js-yaml": "^3.13.1",
+    "js-yaml": "^4.1.1",
     "kuromojin": "^2.0.0",
     "node-cron": "^2.0.3",
     "nodemw": "^0.3.5",