Bump org.msgpack:msgpack-core from 0.8.16 to 0.9.9

Bumps [org.msgpack:msgpack-core](https://github.com/msgpack/msgpack-java) from 0.8.16 to 0.9.9.
- [Release notes](https://github.com/msgpack/msgpack-java/releases)
- [Changelog](https://github.com/msgpack/msgpack-java/blob/main/RELEASE_NOTES.md)
- [Commits](msgpack/msgpack-java@0.8.16...v0.9.9)

---
updated-dependencies:
- dependency-name: org.msgpack:msgpack-core
  dependency-version: 0.9.9
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

pom.xml

@@ -99,7 +99,7 @@
     <dependency>
       <groupId>org.msgpack</groupId>
       <artifactId>msgpack-core</artifactId>
-      <version>0.8.16</version>
+      <version>0.9.9</version>
       <scope>test</scope>
     </dependency>