chore(package): update babel-jest to version 23.0.1

Closes #16

Author: greenkeeper[bot]

package.json

@@ -39,7 +39,7 @@
   "devDependencies": {
     "babel-cli": "^6.24.1",
     "babel-core": "^6.26.0",
-    "babel-jest": "^22.4.1",
+    "babel-jest": "^23.0.1",
     "babel-plugin-dev-expression": "^0.2.1",
     "babel-plugin-external-helpers": "^6.22.0",
     "babel-plugin-transform-object-rest-spread": "^6.23.0",