Revert "Bump actions/deploy-pages from 3 to 4"

This reverts commit 5ca8df3.

Author: razzeee

.github/workflows/deploy.yml

@@ -53,4 +53,4 @@ jobs:
     steps:
       - name: Deploy to GitHub Pages
         id: deployment
-        uses: actions/deploy-pages@v4
+        uses: actions/deploy-pages@v3