Fix syntax error in chmod command (#9169)

Author: CrazyWolf13

ct/privatebin.sh

@@ -39,7 +39,7 @@ function update_script() {
     mkdir -p /opt/privatebin/data
     mv /tmp/privatebin_conf.bak /opt/privatebin/cfg/conf.php
     chown -R www-data:www-data /opt/privatebin
-    chmod -R 0755 /opt/privatebin/data}
+    chmod -R 0755 /opt/privatebin/data
     systemctl reload nginx php8.2-fpm
     msg_ok "Configured ${APP}"
     msg_ok "Updated successfully!"