Bump @types/node from 18.15.6 to 20.4.1

Bumps [@types/node](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/node) from 18.15.6 to 20.4.1.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/node)

---
updated-dependencies:
- dependency-name: "@types/node"
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

package.json

@@ -29,7 +29,7 @@
   "devDependencies": {
     "@aws-cdk/assert": "1.105.0",
     "@types/jest": "^27.4.1",
-    "@types/node": "^18.15.6",
+    "@types/node": "^20.4.1",
     "aws-cdk": "1.105.0",
     "detect-secrets": "^1.0.6",
     "husky": "^6.0.0",