upgrade smart-servlet to 0.2.1-SNAPSHOT (#8192)

* update smart-servlet to 0.1.3-SNAPSHOT

* update aio-enhance to 1.0.3-SNAPSHOT

* smart-servlet bugfix

* bugfix

* update smart-socket to 1.5.6-SNAPSHOT

* remove file

* update aio-enhance to 1.0.4-SNAPSHOT

* 优化代码

* 优化代码

* update smart-socket to 1.5.6

* config threadNum

* update smart-socket to 1.5.7-SNAPSHOT

* 优化代码

* update smart-socket to 1.5.10-SNAPSHOT

* 优化代码

* 优化代码

* 优化代码

* 异常aio-enhance

* 优化代码

* 优化代码

* 优化代码

* remove aio-pro

* remove headerLimiter

* update hikaricp version

* replace json util

* 更新线程模型

* upgrade smart-servlet to 0.1.9-SNAPSHOT

* config thread num

* config thread num

* revert code

* revert code

* upgrade smart-servlet to 0.2.1-SNAPSHOT

frameworks/Java/smart-socket/pom.xml

@@ -11,7 +11,7 @@
         <maven.compiler.source>11</maven.compiler.source>
         <maven.compiler.target>11</maven.compiler.target>
         <log4j.version>2.17.1</log4j.version>
-        <smartservlet.version>0.1.9-SNAPSHOT</smartservlet.version>
+        <smartservlet.version>0.2.1-SNAPSHOT</smartservlet.version>
         <hikaricp.version>5.0.0</hikaricp.version>
         <jsoniter.version>0.9.23</jsoniter.version>
     </properties>