v3.0.0-M6

Change log:

87191e0 Upgrade Versions; Prepare for Milestone Release
182c580 GH-2198: Spring Observability Initial Commit (#2394)
1b9716d Update Gradle Enterprise plugin to 3.11.1
f381a1c Upgrade Apache Kafka to 3.2.2
7d19d0d Refactor - use method referencing in lambdas where possible
e5d2334 GH-2184: Don't Log KafkaBackoffException
f1253d4 GH-2387: Add Missing Pause/Resume Events
950f8ca Remove LisenableFuture Callback Extension
eb7893c Remove RHU.registerSynthesizedAnnotation()
b6e6502 GH-2382: Fix Unchecked Cast in Test
9566325 Move to Micrometer Snapshots
b7a2ab9 Remove Another Dead Link from Change History
93004c5 Remove Dead Links from Change History
20f75bc Fix Duplicate Doc Anchors
afb2b52 Use spring-asciidoctor-backends and remove spring-doc-resources, to pick up the new look and feel and features.
5fc3490 Fix typo in changes-since-1.0.adoc
612eb70 Remove sharing of the retrying field in FallbackBatchErrorHandler (#2383)
b42a125 GH-2372: Fix Race in New Test
51db0b6 GH-2372: Commit Offsets for Skipped Records
083d0d8 AOT RuntimeHints Polishing
f360f8d GH-2375: Add KLER.unregisterListenerContainer
3d8dcce GH-2359: Initial AOT Support for Native
eb7648a GH-2357: Remove Remaining Uses of ListenableFuture
f4b73af Fix NPE in Global Embedded Kafka
ed6673e GH-2357: Switch to CompletableFuture
a9ec919 GH-2355: Add ManualAckListenerErrorHandler (#2356)