chore(package): update babel-jest to version 22.4.0

Closes #4

Author: greenkeeper[bot]

package.json

@@ -35,7 +35,7 @@
   },
   "devDependencies": {
     "babel-eslint": "^8.0.1",
-    "babel-jest": "^21.2.0",
+    "babel-jest": "^22.4.0",
     "enzyme": "^3.1.0",
     "enzyme-to-json": "^3.1.2",
     "eslint": "^4.8.0",