Change log:
033cb76 Migrate Mockito-effected test classes to JUnit 5
eb570ec More test XML configs for latest Mockito
376d5df Fix Rsocket test XML configs for latest Mockito
30c0ea2 Fix JPA test XML configs for latest Mockito
097d3e5 Fix mail test XML config for latest Mockito
5c926e8 Add missed type="java.lang.Class" to IdRecTests
aa761b4 Fix more test XML configs for latest Mockito
80115d3 Fix more test XML configs for latest Mockito
cd0b44d Fix ServiceActivatorOnMockitoMockTests-context
4a4ce22 Fix Cassandra XML configs for latest Mockito
52d43ea Upgrade dependencies; prepare for release
49a9b7e Obtain observed timers in the Integration Graph (#3967)
d38e0d8 GH-3962: Support SFTP < v5 for rename (#3964)
3a74380 GH-3974: Fix SftpSession for absolute paths
7adaaaf Replace javadoc mentions of JSch with MINA SSHD
4cd0029 GH-3954: Fix WebFlux XML config for ambiguity (#3973)
ab1254d GH-3966: Kafka XML config: Expose more attributes
1c836f0 GH-3969: SFTP: Bring back support for empty path
6fd4fd3 GH-3959: MqttConFailedEvent for normal disconnect (#3961)
a1e4827 More percentages increase in DelayerUsageTests
03825c5 Increase percentage in DelayerUsageTests
6888f96 Some ZeroMQ tests clean up
91c6e16 Improve DelayerUsageTests
66ca074 Fix deprecation for RetryListenerSupport
4206c41 GH-3955: Mqtt adapter unsubscribe when cleanStart
532f323 Move Spring dependencies to SNAPSHOTs
dc6f5aa GH-3953: Use lazy-load for output channels
90797aa Fix documentation in kafka.adoc