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

Author: renovate[bot]

.github/actions/setup-node/action.yml

@@ -8,7 +8,7 @@ runs:
       uses: pnpm/action-setup@v4
 
     - name: Install Node.js
-      uses: actions/setup-node@v4
+      uses: actions/setup-node@v6
       with:
         node-version: lts/*
         cache: 'pnpm'