3.9.0

Added

• [#776] Support for Symfony 8 (@dmaicher)

Removed

• [#776] Support for PHP 8.1 (@dmaicher)
• [#776] Support for Symfony 7.1 and 7.2 (@dmaicher)
• [#776] Support for sonata-project/block-bundle v4 (@dmaicher)
• [#776] Support for sonata-project/exporter v2 (@dmaicher)