Assign role after registration

class Register extends BaseRegister
{
    public function form(Form $form): Form
    {
        return $form
            ->schema([
                TextInput::make('company_name')
                    ->label('Company Name')
                    ->required()
                    ->maxLength(255),
                $this->getEmailFormComponent(),
                $this->getPasswordFormComponent(),
                $this->getPasswordConfirmationFormComponent(),
            ]);
    }

}