[ISSUE #7793] Prepare to release apache rocketmq 5.2.0

Author: RongtongJin

common/src/main/java/org/apache/rocketmq/common/MQVersion.java

@@ -18,7 +18,7 @@
 
 public class MQVersion {
 
-    public static final int CURRENT_VERSION = Version.V5_1_4.ordinal();
+    public static final int CURRENT_VERSION = Version.V5_2_0.ordinal();
 
     public static String getVersionDesc(int value) {
         int length = Version.values().length;