chore(package): update jest to version 22.0.0

Author: greenkeeper[bot]

package.json

@@ -38,7 +38,7 @@
   "dependencies": {},
   "devDependencies": {
     "husky": "^0.14.3",
-    "jest": "^21.2.1",
+    "jest": "^22.0.0",
     "standard": "^10.0.1"
   }
 }