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

Closes #5

Author: greenkeeper[bot]

package.json

@@ -49,7 +49,7 @@
     "@endemolshinegroup/tslint-config": "^1",
     "@semantic-release/changelog": "^3",
     "@semantic-release/git": "^7",
-    "@types/jest": "^23",
+    "@types/jest": "^24.0.25",
     "@types/js-yaml": "^3.11.2",
     "@types/node": "^10",
     "@types/serverless": "^1.18.0",