chore(package): update jsdom to version 15.2.0

Closes #10

Author: greenkeeper[bot]

package.json

@@ -70,7 +70,7 @@
     "eslint-plugin-mocha": "^5.0.0",
     "eslint-plugin-react": "^7.3.0",
     "jest": "^24.7.1",
-    "jsdom": "11.11.0",
+    "jsdom": "15.2.0",
     "jsdom-global": "3.0.2",
     "react": "^16.3.2",
     "react-dom": "^16.4.1",