Bump @types/node from 8.10.51 to 13.1.8

Bumps [@types/node](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/node) from 8.10.51 to 13.1.8.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/node)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

package.json

@@ -23,7 +23,7 @@
   "types": "./dist/types/index.d.ts",
   "devDependencies": {
     "@types/jest": "^24.0.15",
-    "@types/node": "^8.0.0",
+    "@types/node": "^13.1.8",
     "coveralls": "^3.0.5",
     "jest": "^24.8.0",
     "jest-config": "^24.8.0",