chore: Add @types/node to prevent build error for doc

Signed-off-by: Louis Chemineau <louis@chmn.me>

Author: artonge

package-lock.json

@@ -37,6 +37,7 @@
     "@nextcloud/eslint-config": "^8.3.0-beta.2",
     "@nextcloud/typings": "^1.6.0",
     "@types/jest": "^29.2.5",
+    "@types/node": "^20.6.3",
     "eslint": "^8.44.0",
     "jest": "^29.3.1",
     "jest-environment-jsdom": "^29.3.1",
@@ -55,4 +56,4 @@
     "dist/",
     "CHANGELOG.md"
   ]
-}
+}