fix: add support for trusted two-factor device tokens in backup import and export

webapp/src/lib/api/backup.ts

@@ -96,6 +96,7 @@ export interface AdminBackupImportCounts {
   users: number;
   domainSettings?: number;
   userRevisions: number;
+  trustedTwoFactorDeviceTokens?: number;
   webauthnCredentials?: number;
   folders: number;
   ciphers: number;