ci(deploy): update upload-pages-artifact action to v4

Author: ManukMinasyan

.github/workflows/deploy-docs.yml

@@ -56,7 +56,7 @@ jobs:
         run: touch .output/public/.nojekyll
 
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@v3
+        uses: actions/upload-pages-artifact@v4
         with:
           path: ./docs/.output/public