Mutate Repeater Data from Action

Repeater::make('products')
    ->relationship()
    ->schema([
        // ...
    ]);

protected function getActions(): array
{
    return [
        Action::make('import')
            ->label('Import Products')
            ->action(function (ComponentContainer $form) {
                    $formData = $form->getState();

                    $productImport = (new ProductImport);
                    $products = $productImport->import($formData['file'])->getProducts();
                    
                    // $set('products', $products) ???
            })
            ->form([
                Forms\Components\FileUpload::make('file'),
            ]);
    ];
}