update xmldom dependency

Author: sandorfr

Tasks/XmlPatch/package.json

@@ -5,7 +5,7 @@
   "dependencies": {
     "fs-extra": "0.30.0",
     "micromatch": "2.3.11",
-    "xmldom": "0.1.22",
+    "xmldom": "0.1.27",
     "xpath": "0.0.24",
     "xregexp": "3.1.1",
     "vsts-task-lib": "1.1.0",