Enhance TaskExecution WriteToDb Logic and Update Dependencies, Iceberg

- Updated WriteToDb method to handle Iceberg target type correctly, preventing unsupported modes for direct inserts.
- Improved error handling for mismatched record counts during database operations.
- Updated Go module dependencies:
  - Upgraded cloud.google.com/go/bigquery to v1.67.0 and cloud.google.com/go/bigtable to v1.37.0.
  - Updated various indirect dependencies including google.golang.org/api to v0.234.0 and google.golang.org/grpc to v1.72.1.

Author: flarco

core/dbio/connection/connection.go

@@ -779,6 +779,7 @@ func (c *Connection) setURL() (err error) {
 		setIfMissing("credential", c.Data["credential"])
 		setIfMissing("token", c.Data["token"])
 		setIfMissing("warehouse", c.Data["warehouse"])
+		template = "iceberg://{warehouse}"
 	case dbio.TypeDbAthena:
 		// use dbt inputs
 		{

core/dbio/database/database.go

@@ -88,7 +88,7 @@ type Connection interface {
 	GetColumns(tableFName string, fields ...string) (iop.Columns, error)
 	GetColumnsFull(string) (iop.Dataset, error)
 	GetColumnStats(tableName string, fields ...string) (columns iop.Columns, err error)
-	GetCount(string) (uint64, error)
+	GetCount(string) (int64, error)
 	GetDatabases() (iop.Dataset, error)
 	GetDDL(string) (string, error)
 	GetGormConn(config *gorm.Config) (*gorm.DB, error)
@@ -1288,15 +1288,15 @@ func (conn *BaseConn) SubmitTemplate(level string, templateMap map[string]string
 }
 
 // GetCount returns count of records
-func (conn *BaseConn) GetCount(tableFName string) (uint64, error) {
+func (conn *BaseConn) GetCount(tableFName string) (int64, error) {
 	sql := fmt.Sprintf(`select count(*) cnt from %s`, tableFName)
 	data, err := conn.Self().Query(sql)
 	if err != nil {
 		return 0, err
 	} else if len(data.Rows) == 0 || len(data.Rows[0]) == 0 {
 		return 0, nil
 	}
-	return cast.ToUint64(data.Rows[0][0]), nil
+	return cast.ToInt64(data.Rows[0][0]), nil
 }
 
 // GetSchemas returns schemas