Change log:
08d8844 (5.5.x) Fix mail tests for new Greenmail requirements
2e682d1 Downgrade to Hibernate 5.5.9.Final
e19aa99 Upgrade dependencies; prepare for release
dfae1a2 GH-8573: Fix KafkaMessageSource samples in docs (#8575)
bdce2b9 RedisLockRegistry: Don't expire not acquired lock
efab65b GH-8562: Fix streaming source for remote calls (#8564)
8e27b1c GH-8550: MQTT: Always re-subscribe on re-connect (#8553)
b088091 GH-4002: Deprecate ConsumerStopAction in MQTT (#4006)
070d186 use CompleteToListeFutureAdapter in TcpOutGateway
1aef041 GH-3993: Fix async race condition in TcpOutGateway (#3995)
0cce72a Fix previous imports optimization for XML configs
aab5204 Realign imports code style with main
4a6e52f Some tweaks for SimpleMessageGroupTests
3ed301e GH-3986: Integration mock: fix ReactiveMH support