build(deps-dev): bump @types/node from 13.1.6 to 14.6.4

Bumps [@types/node](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/node) from 13.1.6 to 14.6.4.
- [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

@@ -27,7 +27,7 @@
   ],
   "devDependencies": {
     "@types/jest": "^24.0.25",
-    "@types/node": "^13.1.6",
+    "@types/node": "^14.6.4",
     "coveralls": "^3.0.9",
     "jest": "^24.9.0",
     "jest-config": "^24.9.0",