chore(package): update @types/jest to version 24.0.25

Closes #51

Author: greenkeeper[bot]

package.json

@@ -58,7 +58,7 @@
   "author": "Dmitry Korolev <dmitry@korolev.dk> (https://korolev.dk)",
   "license": "Apache-2.0",
   "devDependencies": {
-    "@types/jest": "^23.3.2",
+    "@types/jest": "^24.0.25",
     "@types/node": "^10.11.0",
     "cash-cp": "^0.2.0",
     "commitizen": "^2.10.1",