Bump Confluent.Kafka from 1.5.2 to 1.5.3
Bump Confluent.Kafka from 1.5.2 to 1.5.3

Bumps [Confluent.Kafka](https://github.com/confluentinc/confluent-kafka-dotnet) from 1.5.2 to 1.5.3.
- [Release notes](https://github.com/confluentinc/confluent-kafka-dotnet/releases)
- [Changelog](https://github.com/confluentinc/confluent-kafka-dotnet/blob/master/CHANGELOG.md)
- [Commits](https://github.com/confluentinc/confluent-kafka-dotnet/compare/v1.5.2...v1.5.3)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
alexvaluyskiy/Akka.Streams.Kafka