Bump @types/node from 20.10.6 to 20.12.7

Bumps [@types/node](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/node) from 20.10.6 to 20.12.7.
- [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-minor
...

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

package.json

@@ -19,7 +19,7 @@
         "@rollup/plugin-commonjs": "15.1.0",
         "@rollup/plugin-node-resolve": "9.0.0",
         "@rollup/plugin-typescript": "^11.1.5",
-        "@types/node": "^20.8.2",
+        "@types/node": "^20.12.7",
         "@types/showdown": "^2.0.0",
         "@wdio/cli": "^8.6.9",
         "@wdio/junit-reporter": "^8.12.2",