Bump com.github.luben:zstd-jni from 1.5.6-8 to 1.5.6-9

Bumps [com.github.luben:zstd-jni](https://github.com/luben/zstd-jni) from 1.5.6-8 to 1.5.6-9.
- [Commits](luben/zstd-jni@v1.5.6-8...v1.5.6-9)

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

Signed-off-by: dependabot[bot] <[email protected]>

build.gradle

@@ -123,7 +123,7 @@ ext {
 
 	// Testing
 	brotli4jVersion = '1.18.0'
-	zstdJniVersion = '1.5.6-8'
+	zstdJniVersion = '1.5.6-9'
 	jacksonDatabindVersion = '2.18.2'
 	testAddonVersion = reactorCoreVersion
 	assertJVersion = '3.27.0'