src/TableBlueprint.php
public function renameColumn(string $name, string $newName): self
    {
        return $this->addOperation(
            new Operation\Column\Rename($this->table, $name, $newName)
        );
    }
public function renameColumn(string $name, string $newName): self
    {
        return $this->addOperation(
            new Operation\Column\Rename($this->table, $name, $newName)
        );
    }
Example:
$table->renameColumn('column', 'new_name');

@param string $name
@param string $newName
@return TableBlueprint