chore(package): update jsdom to version 15.1.1

Closes #24

Author: greenkeeper[bot]

package.json

@@ -40,7 +40,7 @@
     "enzyme-adapter-react-16": "^1.6.0",
     "ignore-styles": "^5.0.1",
     "jest": "^23.6.0",
-    "jsdom": "^13.0.0",
+    "jsdom": "^15.1.1",
     "mocha": "^5.2.0",
     "react-hot-loader": "^4.3.12",
     "react-test-renderer": "^16.6.0",