Change log:
567d52e Upgrade dependencies; prepare for release
626b14e GH-3954: Fix WebFlux XML config for ambiguity (#3973)
e63edde GH-3966: Kafka XML config: Expose more attributes
280eb29 GH-3959: MqttConFailedEvent for normal disconnect (#3961)
026feee Fix mocks in Mqttv5AdapterTests
36e4fe1 GH-3955: Mqtt adapter unsubscribe when cleanStart
067de96 GH-3945: Fix not eligible for getting processed (#3947)
e4e8041 GH-3938: Fix HTTP XML configuration for ambiguity (#3939)
d45801b GH-3931: Fix meta-annotation support for @Gateway
8f809a7 Fix double start for AbstractEndpoint (#3928)
56634c9 GH-3912: Handler: ignore Groovy generated methods