Improve the performance of `jackson-dataformat-msgpack` (msgpack#866)

* Improve the perf of msgpack-jackson

* Refactoring

Fix ClassCastException when array values is set as List (msgpack#794)

Fix bug in ImmutableTimestampValueImpl. (msgpack#786)

* Fix bug in ImmutableTimestampValueImpl.

* Fix code style

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Co-authored-by: Taro L. Saito <[email protected]>

internal: Automatically generate release notes (msgpack#766)

core (fix): Fix MessageUnpacker.unpackValue to check the custom strin…

…gSizeLimit (msgpack#753)

* core (fix): Fix MessageUnpacker.unpackValue to check the custom stringSizeLimit

* Cover unpackVariable(var)

Update sbt to 1.9.1 (msgpack#741)

0.9.3 release notes

Merge pull request msgpack#654 from msgpack/release-0.9.2

Update RELEASE_NOTES for 0.9.2

0.9.1 release notes

Add release notes for 0.9.0 (msgpack#581)