[Improve](explode) explode function support multi param (#50310)

### What problem does this PR solve?
backport:https://github.com/apache/doris/pull/48537
Issue Number: close #xxx

Related PR: #xxx

Problem Summary:

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    - [ ] No need to test or manual test. Explain why:
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fe/fe-common/src/main/java/org/apache/doris/common/Config.java

@@ -1943,7 +1943,7 @@ public class Config extends ConfigBase {
      * Max data version of backends serialize block.
      */
     @ConfField(mutable = false)
-    public static int max_be_exec_version = 6;
+    public static int max_be_exec_version = 7;
 
     /**
      * Min data version of backends serialize block.