code: public function renameColumn($table, $oldName, $newName)
      {
          $sql = $this->db->getQueryBuilder()->renameColumn($table, $oldName, $newName);
  
          return $this->setSql($sql)->requireTableSchemaRefresh($table);
      }
docs: Creates a SQL command for renaming a column.
  @param string $table the table whose column is to be renamed. The name will be properly quoted by the method.
  @param string $oldName the old name of the column. The name will be properly quoted by the method.
  @param string $newName the new name of the column. The name will be properly quoted by the method.
  @return $this the command object itself