fix(lint): 使用 any 替代 interface{} 以符合 gofmt 规则

backend/internal/repository/concurrency_cache.go

@@ -347,7 +347,7 @@ func (c *concurrencyCache) GetAccountsLoadBatch(ctx context.Context, accounts []
 		return map[int64]*service.AccountLoadInfo{}, nil
 	}
 
-	args := []interface{}{c.slotTTLSeconds}
+	args := []any{c.slotTTLSeconds}
 	for _, acc := range accounts {
 		args = append(args, acc.ID, acc.MaxConcurrency)
 	}