minor #49915 [Console] Add Les-Tilleuls.coop as a backer of version 6.3 (nicolas-grekas)

This PR was merged into the 6.3 branch.

Discussion
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[Console] Add Les-Tilleuls.coop as a backer of version 6.3

| Q             | A
| ------------- | ---
| Branch?       | 6.3
| Bug fix?      | no
| New feature?  | no
| Deprecations? | no
| Tickets       | -
| License       | MIT
| Doc PR        | -

Thanks to them! 🙏

/cc `@chalasr` `@dunglas` *et al.*

Commits
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caa6fe1583 [Console] Add Les-Tilleuls.coop as a backer of version 6.3

Author: fabpot

README.md

@@ -4,6 +4,18 @@ Console Component
 The Console component eases the creation of beautiful and testable command line
 interfaces.
 
+Sponsor
+-------
+
+The Console component for Symfony 6.3 is [backed][1] by [Les-Tilleuls.coop][2].
+
+Les-Tilleuls.coop is a team of 70+ Symfony experts who can help you design, develop and
+fix your projects. They provide a wide range of professional services including development,
+consulting, coaching, training and audits. They also are highly skilled in JS, Go and DevOps.
+They are a worker cooperative!
+
+Help Symfony by [sponsoring][3] its development!
+
 Resources
 ---------
 
@@ -18,3 +30,7 @@ Credits
 
 `Resources/bin/hiddeninput.exe` is a third party binary provided within this
 component. Find sources and license at https://github.com/Seldaek/hidden-input.
+
+[1]: https://symfony.com/backers
+[2]: https://les-tilleuls.coop
+[3]: https://symfony.com/sponsor