Bump com.github.luben:zstd-jni from 1.5.6-5 to 1.5.6-6 (#3439)

Bumps [com.github.luben:zstd-jni](https://github.com/luben/zstd-jni) from 1.5.6-5 to 1.5.6-6.
- [Commits](https://github.com/luben/zstd-jni/commits)

---
updated-dependencies:
- dependency-name: com.github.luben:zstd-jni
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

build.gradle

@@ -122,7 +122,7 @@ ext {
 
 	// Testing
 	brotli4jVersion = '1.17.0'
-	zstdJniVersion = '1.5.6-5'
+	zstdJniVersion = '1.5.6-6'
 	jacksonDatabindVersion = '2.17.2'
 	testAddonVersion = reactorCoreVersion
 	assertJVersion = '3.26.3'