chore(deps-dev): bump @types/node in /packages/plugin

Bumps [@types/node](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/node) from 16.18.54 to 20.6.5.
- [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]>

packages/plugin/package.json

@@ -18,7 +18,7 @@
   "devDependencies": {
     "@medusajs/medusa": "^1.13.0",
     "@types/jest": "^29.5.3",
-    "@types/node": "^16.18.39",
+    "@types/node": "^20.6.5",
     "cross-env": "^5.2.1",
     "eslint": "^8.2.0",
     "eslint-config-airbnb-base": "15.0.0",