chore(deps): update actions/setup-node action to v6

Author: renovate[bot]

ui/.github/workflows/publish.yml

@@ -9,7 +9,7 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v5
       - name: Install Node.js
-        uses: actions/setup-node@v5
+        uses: actions/setup-node@v6
         with:
           node-version: "22"
       - name: Install Antora