fix(install): AWG multi-count pipeline no longer dies on grep miss

pipefail + grep with zero matches exited the script before docker build.

Co-authored-by: Cursor <cursoragent@cursor.com>

package.json

@@ -1,6 +1,6 @@
 {
   "name": "amnezia-admin",
-  "version": "1.2.3",
+  "version": "1.2.4",
   "private": true,
   "description": "amnezia_web — базовая панель AmneziaWG (FREE: просмотр и удаление клиентов; полная версия — PRO).",
   "license": "MIT",