Requirements: Needs mollie/mollie-api-php#829 to be merged and then update dependency to that version

Added

• Support for mollie-api-php v3 with typed request objects - you can now use Mollie::send(new CreatePaymentRequest(...)).
• ValidatesWebhookSignatures middleware for validating incoming webhook signatures.
• HandleIncomingWebhook controller for processing webhook requests.
• WebhookDispatcher service that dispatches webhook events (extensible for custom handling strategies).
• SetupWebhookCommand to automatically configure webhooks via the Mollie API or guide manual setup.
• Webhook route file (routes/webhook.php) for handling incoming webhooks.
• Applied updated Adapter Contract to MollieLaravelHttpClientAdapter.

Changed

• Minimum PHP version is now 8.2.0.
• Only Laravel 11.x and 12.x are supported.
• Upgraded to mollie-api-php v3 which includes several breaking changes (see mollie-api-php upgrade guide).
• Endpoint access changed from methods to properties (e.g., payments() becomes payments).
• Metadata in API request payloads now only accepts arrays (not strings or objects).
• Main MollieServiceProvider is now deferred for improved performance.
• MollieSocialiteServiceProvider is now deferred and only loaded when laravel/socialite is installed.
• Separated Socialite integration into dedicated service provider (MollieSocialiteServiceProvider).

Removed

• Mollie\Laravel\MollieManager class (use Mollie facade instead).
• mollie() global helper function (use Mollie::api() facade or dependency injection instead).
• Support for Laravel 10.x and earlier.
• Support for PHP 8.1 and earlier.