Fix GitHub Actions warning for setup-node inputs

- Move 'ref' and 'fetch-depth' parameters from setup-node to checkout action
- These parameters belong to actions/checkout, not actions/setup-node
- Resolves "Unexpected input(s)" warnings in workflow

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

.github/workflows/gh-pages.yml

@@ -11,11 +11,12 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v4
+      with:
+        ref: ${{ github.ref }}
+        fetch-depth: 0
     - uses: actions/setup-node@v4
       with:
         node-version: 23
-        ref: ${{ github.ref }}
-        fetch-depth: 0
     - run: |
            npm install