Update dependency xml2js to v0.4.22

Author: renovate-bot

1.6/package.json

@@ -11,7 +11,7 @@
     "bluebird": "3.5.1",
     "qs": "6.5.1",
     "request-promise": "4.2.2",
-    "xml2js": "0.4.19"
+    "xml2js": "0.4.22"
   },
   "author": "Frank Lemanschik <[email protected]>",
   "license": "Apache-2.0"