Merge branch '6.2' into 6.3

* 6.2:
  Fix LICENSE year
  Fix LICENSE CI check
  [Notifier] Mention Prisma Media as backer of v6.2
  fixes retrieving multiple values for extra fields
  Clarifies when to update UPGRADE-7.0.md
  [String] Remove duplicates in fold maps
  fail with a meaningful error when a needed package is missing
  [6.2] Remove mentions of v6.1 backers
  [Translation] Crowdin renewed their sponsorship for v6.2
  [DependencyInjection] Fix combinatory explosion when autowiring union and intersection types
  Update license years (last time)
  [Tests] New iteration of removing `$this` occurrences in future static data providers

LICENSE

@@ -1,4 +1,4 @@
-Copyright (c) 2021-2023 Fabien Potencier
+Copyright (c) 2021-present Fabien Potencier
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

README.md

@@ -3,17 +3,6 @@ Runtime Component
 
 Symfony Runtime enables decoupling applications from global state.
 
-Sponsor
--------
-
-The Runtime component for Symfony 6.1 is [backed][1] by [Fulgens][2].
-
-Fulgens is a human-sized company founded in 2018. Specialized in development, we
-provide support, analysis and training. Symfony being at the heart of our work,
-we are committed to contribute to its development at our own scale.
-
-Help Symfony by [sponsoring][3] its development!
-
 Resources
 ---------
 
@@ -22,7 +11,3 @@ Resources
  * [Report issues](https://github.com/symfony/symfony/issues) and
    [send Pull Requests](https://github.com/symfony/symfony/pulls)
    in the [main Symfony repository](https://github.com/symfony/symfony)
-
-[1]: https://symfony.com/backers
-[2]: https://fulgens.be
-[3]: https://symfony.com/sponsor