Fix workflow: use GITHUB_TOKEN for testing

- Replace PAT_TOKEN with GITHUB_TOKEN for initial testing
- This enables basic functionality testing without custom secrets

🤖 Generated with Claude Code

Author: InfoTech.io Bot

.github/workflows/deploy-sites.yml

@@ -158,7 +158,7 @@ jobs:
       - name: Checkout hub repository
         uses: actions/checkout@v4
         with:
-          token: ${{ secrets.PAT_TOKEN }}
+          token: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Setup Hugo
         uses: peaceiris/actions-hugo@v2
@@ -174,7 +174,7 @@ jobs:
         uses: actions/checkout@v4
         with:
           repository: info-tech-io/hugo-templates
-          token: ${{ secrets.PAT_TOKEN }}
+          token: ${{ secrets.GITHUB_TOKEN }}
           path: hugo-templates
 
       - name: Prepare build directory