Update dependency com.github.luben:zstd-jni to v1.5.7-6 (#3675)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

flink-core/pom.xml

@@ -86,7 +86,7 @@ under the License.
 		<dependency>
 			<groupId>com.github.luben</groupId>
 			<artifactId>zstd-jni</artifactId>
-			<version>1.5.7-5</version>
+			<version>1.5.7-6</version>
 			<scope>test</scope>
 		</dependency>