[ISSUE #9396] replace fastjson with fastjson2 (#9927)

* remove fastjson dependency

* remove fastjson

* revert

* revert

Author: yuz10

store/src/main/java/org/apache/rocketmq/store/DefaultMessageStore.java

@@ -56,7 +56,7 @@
 import java.util.concurrent.atomic.AtomicInteger;
 import java.util.concurrent.atomic.AtomicLong;
 import java.util.function.Supplier;
-import com.alibaba.fastjson.JSON;
+import com.alibaba.fastjson2.JSON;
 import org.apache.commons.collections.CollectionUtils;
 import org.apache.commons.lang3.StringUtils;
 import org.apache.rocketmq.common.BoundaryType;