build(deps-dev): bump @types/node from 18.15.11 to 20.8.6

Bumps [@types/node](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/node) from 18.15.11 to 20.8.6.
- [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

@@ -7,7 +7,7 @@
   },
   "devDependencies": {
     "@types/jest": "^28.1.6",
-    "@types/node": "^18.15.11",
+    "@types/node": "^20.8.6",
     "jest": "^28.1.3",
     "prettier": "^3.0.3",
     "ts-jest": "^28.0.8"