fix: pin @types/jest to 24.0.17

Author: greenkeeper[bot]

package.json

@@ -21,7 +21,7 @@
     "url": "git@github.com:LeetCode-OpenSource/rxjs-hooks.git"
   },
   "devDependencies": {
-    "@types/jest": "^24.0.13",
+    "@types/jest": "24.0.17",
     "@types/lodash": "^4.14.133",
     "@types/react-dom": "^16.8.4",
     "@types/react-test-renderer": "^16.8.1",