Enhance admin maintenance functionality with new endpoints and response types

- Added new DELETE endpoints for managing audit logs and disabled apps in the admin maintenance section.
- Updated existing endpoint for closed tickets to use a unified response type, `MaintenanceCleanupResponseDto`.
- Enhanced API documentation to reflect the new operations and their expected request/response formats.
- Improved frontend integration with new functions for deleting old audit logs and disabled apps, including user confirmation prompts.
- Added localization support for new maintenance actions in both Russian and English.

frontend/src/shared/api/types.ts

@@ -270,7 +270,7 @@ export type TicketSummaryDto = {
   messagePreview: string | null
 }
 
-export type DeleteClosedTicketsResponseDto = {
+export type MaintenanceCleanupResponseDto = {
   deletedCount: number
 }