v6.2.0-M2

Change log:

603c7cd Upgrade deps; prepare for release
4e310bb ( GH-8705 Expose errorOnTimeout on MessagingGateway
d85c5e3 GH-8704: Add global property for defaultTimeout (#8706)
e4bacc3 GH-8708: Fix concurrency around SFTP client (#8709)
e900a53 () Fix JavaDoc in the DefaultSftpSessionFactory
ef5db30 GH-8703: Fix MessagingAnnotationPP for AOT
ba6d35d GH-8699: Fix Issue of removeLockKey()
0450a32 GH-8699: Atomic Redis script for unlock()
92fb0d3 Fix failed tests according to new SF requirements
62b60cf Fix AggregatorTests for deprecations
c157b9b Upgrade some deps; fix deprecations
50bf00e Various docs fixes
eb6ddfe Migrate to Antora Documentation
f9dc75c GH-8697: No autowire for Int ConversionService
27e71ab TCP Events Doc Polishing
7dcc0bb GH-8680: Check DB for table on start (#8690)
0c7d40d Fix EnricherSpec for method choice ambiguity
b6fe685 Fix some Kotlin <-> Java DSL interoperability
abcc115 ( Upgrade to Gradle 8.2.1
b6d39e4 GH-3696: DeserializationEx support for KafkaMS (#8689)
2efaecd Remove Gitter badge from README
53710fb Connect build to ge.spring.io
bd013e0 GH-8681: Expose send-buffer-overflow-strategy
f4212d8 GH-8685: Re-fetch group after setting condition (#8686)
4e464e9 Try GH Actions on ubuntu22-8-32
5533bc8 Try upload-parallel: 10 for Maven deploy
7913991 Update GH workflows to the latest versions