Deprecation Warning in Symfony 7.1: HttpKernel\DependencyInjection\Extension Should Be Replaced

[damianociarla]

Hello,

Since Symfony 7.1, using Symfony\Component\HttpKernel\DependencyInjection\Extension is considered internal and will be deprecated in Symfony 8.1. Instead, Symfony\Component\DependencyInjection\Extension\Extension should be used.

Issue Details
I am getting the following deprecation warning when running my Symfony application with bref/symfony-messenger:

The "Symfony\Component\HttpKernel\DependencyInjection\Extension" class is considered internal since Symfony 7.1, 
to be deprecated in 8.1; use Symfony\Component\DependencyInjection\Extension\Extension instead. 
It may change without further notice. 
You should not use it from "Bref\Symfony\Messenger\DependencyInjection\BrefMessengerExtension".

Affected File:
The issue comes from Bref\Symfony\Messenger\DependencyInjection\BrefMessengerExtension, which currently extends HttpKernel\DependencyInjection\Extension.

Suggested Fix:
The class should extend Symfony\Component\DependencyInjection\Extension\Extension instead to ensure compatibility with future Symfony versions.

Steps to Reproduce:
Use Symfony 7.1+ with bref/symfony-messenger.

Run the application or execute bin/console cache:clear.

The deprecation warning appears.

Would it be possible to update this in an upcoming release? Let me know if I can help with a PR.

Thanks for your work on this package! 🙌

[mnapoli]

Hi, thanks for the report! A PR is most welcome 👍