scripts: fix user and group for new server

Author: yoyosan

Diff for: scripts/deploy_prod.sh

@@ -10,8 +10,8 @@ php artisan route:cache
 php artisan view:cache
 
 # fix permissions
-chown -R mpalade:mpalade .
-chmod -R u+rwX,go+rX,go-w .
+sudo chown -R worker:www-data .
+sudo chmod -R u+rwX,go+rX,go-w .
 
 # all done
 php artisan up