chore(package): update jsdom to version 11.7.0

Closes #21

Author: greenkeeper[bot]

package.json

@@ -70,7 +70,7 @@
     "enzyme": "^2.7.1",
     "eslint": "^3.11.0",
     "eslint-config-okonet": "^1.2.3",
-    "jsdom": "^9.11.0",
+    "jsdom": "^11.7.0",
     "lint-staged": "^4.0.0",
     "mocha": "^3.2.0",
     "npm-check": "^5.2.2",