chore(package): update @types/jest to version 23.1.0

Closes #79

Author: greenkeeper[bot]

package.json

@@ -14,7 +14,7 @@
   },
   "devDependencies": {
     "@types/enzyme": "3.1.9",
-    "@types/jest": "22.2.3",
+    "@types/jest": "23.1.0",
     "@types/react": "16.3.3",
     "@types/react-dom": "16.0.4",
     "codecov": "3.0.0",