Bumped actions/deploy-pages to v4

Author: wkok

.github/workflows/main.yml

@@ -160,8 +160,8 @@ jobs:
       - name: Upload artifact
         uses: actions/upload-pages-artifact@v3
         with:
-          path: 'samples'
+          path: samples
 
       - name: Deploy to GitHub Pages
         id: deployment
-        uses: actions/deploy-pages@v3
+        uses: actions/deploy-pages@v4