Update actions/configure-pages action to v6

Author: xdev-renovate

.github/workflows/antora-build.yml

@@ -35,7 +35,7 @@ jobs:
         run: npx antora docs/antora-playbook.yml
 
       - name: Setup Pages
-        uses: actions/configure-pages@v5
+        uses: actions/configure-pages@v6
 
       - name: Upload artifact
         uses: actions/upload-pages-artifact@v4