ci: update artifact actions and add retention policy

Author: ctoth

.github/workflows/deploy.yml

@@ -34,10 +34,11 @@ jobs:
       - run: npm run build
 
       - name: Upload production-ready build files
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: production-files
           path: ./dist
+          retention-days: 1
 
   deploy:
     name: Deploy
@@ -47,7 +48,7 @@ jobs:
 
     steps:
       - name: Download artifact
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: production-files
           path: ./dist