chore: bump @types/node from 18.17.15 to 20.6.0

Bumps [@types/node](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/node) from 18.17.15 to 20.6.0.
- [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] <[email protected]>

package.json

@@ -35,7 +35,7 @@
   "license": "MIT",
   "devDependencies": {
     "@types/cross-spawn": "^6.0.2",
-    "@types/node": "^18.11.8",
+    "@types/node": "^20.6.0",
     "@types/prismjs": "^1.26.0",
     "@typescript-eslint/eslint-plugin": "^5.41.0",
     "@typescript-eslint/parser": "^5.41.0",