fix: upgrade xml2js from 0.4.23 to 0.6.2

Snyk has created this PR to upgrade xml2js from 0.4.23 to 0.6.2.

See this package in npm:
xml2js

See this project in Snyk:
https://app.snyk.io/org/security-8KHZ9964cxY5TWRHP7gEjR/project/a6519011-d0b1-4ec7-9875-137e042189af?utm_source=github&utm_medium=referral&page=upgrade-pr

Author: snyk-bot

package.json

@@ -61,7 +61,7 @@
     "plist": "^3.0.5",
     "shelljs": "^0.8.5",
     "xcode": "^3.0.1",
-    "xml2js": "^0.4.23"
+    "xml2js": "^0.6.2"
   },
   "devDependencies": {
     "fs": "0.0.1-security",