* Add Christian Tzolov to author name in the doc
* Move `whats-new.adoc` content to new `changes-6.0-6.1.adoc`
* Upgrade to Gradle `8.1.1`
* Upgrade to Spring Framework `6.1`
* Fix `StompSessionManagerTests` for deprecated `ConcurrentTaskScheduler` ctor
* Fix XML configs for Kafka to use types for ctor args instead of their names.
Apparently SF doesn't do a discovery by names anymore.
edbaf6d590