chore(package): update @types/jest to version 23.1.2

Closes #65

Author: greenkeeper[bot]

package.json

@@ -36,7 +36,7 @@
   "homepage": "https://github.com/TypeScript-Heroes/node-typescript-parser#readme",
   "devDependencies": {
     "@smartive/tslint-config": "^3.0.1",
-    "@types/jest": "^22.2.2",
+    "@types/jest": "^23.1.2",
     "@types/lodash-es": "^4.17.0",
     "@types/mock-fs": "^3.6.30",
     "@types/node": "^9.6.2",