v2.9.0

What's Changed

• Support multiple extensions for MIME types in FileExtensionTrait by @endelwar in #1538
• Add namer_keep_extension configuration option by @endelwar in #1540
• Update PHPStan configuration and fix type issues by @endelwar in #1542
• Add FileRequired validator constraint by @endelwar in #1541
• Migrate configuration from XML to PHP by @endelwar in #1551
• Deprecate Annotation namespace in favor of Attribute namespace by @endelwar in #1555
• ⬆️ allow Symfony 8 by @garak in #1524

Full Changelog: v2.8.1...v2.9.0