Update Pages actions versions

Use current GitHub Pages workflow action versions to reduce runtime deprecation risk and keep deployments compatible.

Author: dannymaaz

.github/workflows/deploy-docs.yml

@@ -28,13 +28,13 @@ jobs:
       url: ${{ steps.deployment.outputs.page_url }}
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Configure Pages
-        uses: actions/configure-pages@v4
+        uses: actions/configure-pages@v5
 
       - name: Upload docs artifact
-        uses: actions/upload-pages-artifact@v3
+        uses: actions/upload-pages-artifact@v4
         with:
           path: docs