chore(dev-deps): bump @types/node from 18.19.30 to 20.12.5

Bumps [@types/node](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/node) from 18.19.30 to 20.12.5.
- [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

@@ -98,7 +98,7 @@
     "@oclif/test": "^3",
     "@types/chai": "^4",
     "@types/mocha": "^10.0.0",
-    "@types/node": "^18",
+    "@types/node": "^20",
     "@types/promptly": "^3.0.5",
     "chai": "^4",
     "eslint": "^8.57.0",