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

Author: renovate[bot]

.github/workflows/publish.yml

@@ -15,7 +15,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v5
       - name: Setup Node
-        uses: actions/setup-node@v5
+        uses: actions/setup-node@v6
       - name: Install deps
         run: npm install
       - name: Install vsce
@@ -38,7 +38,7 @@ jobs:
         uses: actions/checkout@v5
 
       - name: Setup Node
-        uses: actions/setup-node@v5
+        uses: actions/setup-node@v6
         with:
           node-version: 22
       - name: Install dependencies