Use snappy-java 1.1.8.4 in bench/core to support Apple Silicon

$ java -jar core/target/orc-benchmarks-core-*-uber.jar generate data -d sales -f parquet
Processing sales [parquet]
[WARN ] Unable to load native-hadoop library for your platform... using builtin-java classes where applicable
Exception in thread "main" org.xerial.snappy.SnappyError: [FAILED_TO_LOAD_NATIVE_LIBRARY] no native library is found for os.name=Mac and os.arch=aarch64