increase node version for doc sync action

Author: ReneWerner87

Diff for: .github/workflows/sync-docs.yml

@@ -23,7 +23,7 @@ jobs:
       - name: Setup Node.js environment
         uses: actions/setup-node@v4
         with:
-          node-version: "18"
+          node-version: "22"
 
       - name: Sync docs
         run: ./.github/scripts/sync_docs.sh