chore(package): update @types/jest to version 25.1.2

Closes #7

Author: greenkeeper[bot]

package.json

@@ -29,7 +29,7 @@
     "@honkjs/honk": "^1.0.2"
   },
   "devDependencies": {
-    "@types/jest": "^24.0.0",
+    "@types/jest": "^25.1.2",
     "jest": "^24.1.0",
     "np": "^4.0.2",
     "ts-jest": "^23.1.3",