Symfony 7 support

Thank you @mmalessa

Symfony 6 support

Thank you @fractalzombie

Allow all versions of psr/log

Thank You @ntavelis

Default headers to empty array

Thank you @fractalzombie

Inject KafkaFactory

Thank You @mleczakm

Fix receiver assignment

Thank you @Kelthan

Timeout handling & refactoring

Thanks @Kelthan

Enable usage of key

v0.11

Set key if available

PHPSerializer fix, handle RD_KAFKA_RESP_ERR__TRANSPORT

Thank you @rdotter and @alsar!

Cleanup work

v0.9

Cleanup