optimize: fix javadoc version incompatibility issue (#6704)

build/pom.xml

@@ -104,7 +104,7 @@
  <!-- Check -->
  <maven-pmd-plugin.version>3.8</maven-pmd-plugin.version>
  <p3c-pmd.version>1.3.6</p3c-pmd.version>
- <maven-javadoc-plugin.version>3.0.0</maven-javadoc-plugin.version>
+ <maven-javadoc-plugin.version>3.4.0</maven-javadoc-plugin.version>
  <license-maven-plugin.version>4.0</license-maven-plugin.version>
  <mojo-license-maven-plugin.version>1.20</mojo-license-maven-plugin.version>
  <maven-checkstyle-plugin.version>3.1.1</maven-checkstyle-plugin.version>

changes/en-us/2.1.0.md

@@ -170,6 +170,7 @@ The version is updated as follows:
 - [[#6674](https://github.com/apache/incubator-seata/pull/6674)] update source license
 - [[#6677](https://github.com/apache/incubator-seata/pull/6677)] add license header for SPI file
 - [[#6692](https://github.com/apache/incubator-seata/pull/6692)] fix node-gyp build error on arm64 and macos
+- [[#6704](https://github.com/apache/incubator-seata/pull/6704)] fix javadoc version incompatibility issue
 
 
 ### security:

changes/zh-cn/2.1.0.md

@@ -169,6 +169,7 @@ Apache Seata(incubating) 是一款开源的分布式事务解决方案，提供
 - [[#6674](https://github.com/apache/incubator-seata/pull/6674)] 更新源码中的 license
 - [[#6677](https://github.com/apache/incubator-seata/pull/6677)] 为 SPI配置文件添加 license header
 - [[#6692](https://github.com/apache/incubator-seata/pull/6692)] 修复 node-gyp 在 arm64 和 macos 构建失败问题
+- [[#6704](https://github.com/apache/incubator-seata/pull/6704)] 修复 javadoc 版本不兼容问题
 
 
 ### security: