Update xmldom in build tools

Author: Jeavon

build/appveyor-nuspec-patch.js

@@ -5,8 +5,8 @@ function updateDependency(fileName) {
     var read = require('read-file');
     var buffer = read.sync(fileName, { encoding: 'utf8' });
 
-    var DomParser = require('xmldom').DOMParser;
-    var XmlSerializer = require('xmldom').XMLSerializer;
+    var DomParser = require('@xmldom/xmldom').DOMParser;
+    var XmlSerializer = require('@xmldom/xmldom').XMLSerializer;
 
     var doc = new DomParser().parseFromString(
         buffer

build/package-lock.json

@@ -7,7 +7,7 @@
   "dependencies": {
     "jsonfile": "^2.2.3",
     "semver": "^5.0.3",
-    "xmldom": "^0.5.0",
+    "@xmldom/xmldom": "^0.7.5",
     "read-file": "^0.2.0",
     "write": "^0.3.2",
     "js-yaml": "^3.7.0"