Update localization for user ban and unban messages in English and Russian

- Added new messages for successful ban and unban actions, as well as error messages for banning and unbanning users.
- Included a warning message for when a user is not banned, enhancing clarity in the admin panel's user management features.

locales/en.json

@@ -263,6 +263,11 @@
   "admin_user_subscription_added_error": "❌ Error adding subscription days",
   "admin_user_ban_toggle_success": "✅ User {status}",
   "admin_user_ban_toggle_error": "❌ Error changing ban status",
+  "admin_user_ban_success": "✅ User {input} has been banned",
+  "admin_user_unban_success": "✅ User {input} has been unbanned",
+  "admin_user_ban_error": "❌ Error banning user",
+  "admin_user_unban_error": "❌ Error unbanning user",
+  "admin_user_not_banned": "⚠️ User is not banned",
   "admin_user_send_message_prompt": "✉️ Sending message to user {user_id}\n\nEnter message text:",
   "admin_user_message_too_long": "❌ Message too long (maximum 4000 characters)",
   "admin_user_message_sent_success": "✅ Message sent to user {user_id}",

locales/ru.json

@@ -263,6 +263,11 @@
   "admin_user_subscription_added_error": "❌ Ошибка добавления дней подписки",
   "admin_user_ban_toggle_success": "✅ Пользователь {status}",
   "admin_user_ban_toggle_error": "❌ Ошибка изменения статуса блокировки",
+  "admin_user_ban_success": "✅ Пользователь {input} заблокирован",
+  "admin_user_unban_success": "✅ Пользователь {input} разблокирован",
+  "admin_user_ban_error": "❌ Ошибка блокировки пользователя",
+  "admin_user_unban_error": "❌ Ошибка разблокировки пользователя",
+  "admin_user_not_banned": "⚠️ Пользователь не заблокирован",
   "admin_user_send_message_prompt": "✉️ Отправка сообщения пользователю {user_id}\n\nВведите текст сообщения:",
   "admin_user_message_too_long": "❌ Сообщение слишком длинное (максимум 4000 символов)",
   "admin_user_message_sent_success": "✅ Сообщение отправлено пользователю {user_id}",