Update localization files for admin panel buttons and sections

- Revised button labels in English and Russian localization files for improved clarity and conciseness, including changes to promo management, user management, and navigation buttons.
- Ensured consistency in terminology across both languages to enhance user experience in the admin panel.

locales/ru.json

@@ -95,8 +95,8 @@
   "admin_broadcast_button": "📢 Рассылка",
   "admin_create_promo_button": "🎁 Создать промо",
   "admin_create_bulk_promo_button": "📦 Массовое создание",
-  "admin_manage_promos_button": "🛠 Управление промо",
-  "admin_view_promos_button": "👀 Список промо",
+  "admin_manage_promos_button": "🛠 Управление",
+  "admin_view_promos_button": "👀 Список",
   "admin_ban_user_button": "🚫 Забанить",
   "admin_unban_user_button": "✅ Разбанить",
   "admin_view_banned_users_button": "📜 Бан-лист",
@@ -109,8 +109,8 @@
   "admin_promo_marketing_section": "🎁 Промокоды",
   "admin_system_functions_section": "⚙️ Система",
   "admin_ban_management_section": "🚫 Блокировки",
-  "admin_users_management_button": "👤 Управление пользователями",
-  "back_to_user_management_button": "⬅️ К управлению пользователями",
+  "admin_users_management_button": "👤 Управление",
+  "back_to_user_management_button": "⬅️ К пользователям",
   "admin_action_cancelled_default": "Действие отменено. Возврат в меню.",
   "admin_action_cancelled_default_alert": "Действие отменено",
   "back_to_admin_panel_button": "⬅️ В админку",