avro

AVRO-3057: Bump zstd-jni from 1.4.8-4 to 1.4.8-6 in /lang/java (#1111)

Bumps [zstd-jni](https://github.com/luben/zstd-jni) from 1.4.8-4 to 1.4.8-6.
- [Release notes](https://github.com/luben/zstd-jni/releases)
- [Commits](https://github.com/luben/zstd-jni/compare/v1.4.8-4...v1.4.8-6)

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>