Adding actions modal on getHeaderActions

protected function getHeaderActions(): array
{
  return [
      Action::make('example_action')
                ->label('Example Action')
                ->form([
                    TextInput::make('example_input')
                        ->label('Example Input')
                        ->required(),
                ]),
          ];
}

protected function getHeaderActions(): array
{
  return [
      Action::make('example_action')
                ->label('Example Action')
                ->form([
                    TextInput::make('example_input')
                        ->label('Example Input')
                        ->required(),
                ]),
          ];
}