chore(package): update jsdom to version 13.0.0

Closes #19

Author: greenkeeper[bot]

package.json

@@ -32,7 +32,7 @@
     "eslint": "^4.12.1",
     "istanbul": "^0.4.5",
     "jsdoc": "^3.4.3",
-    "jsdom": "^11.1.0",
+    "jsdom": "^13.0.0",
     "sinon": "^4.0.0",
     "mocha": "^4.0.0",
     "webpack": "^3.0.0"