【升级】mysql-connector-java from 5.1.46 to 8.0.28 ：提升 MySQL 客户端的性能

yudao-framework/yudao-spring-boot-starter-mybatis/pom.xml

@@ -15,10 +15,6 @@
     <description>数据库连接池、多数据源、事务、MyBatis 拓展</description>
     <url>https://github.com/YunaiV/ruoyi-vue-pro</url>
 
-    <properties>
-        <mysql.version>5.1.46</mysql.version>
-    </properties>
-
     <dependencies>
         <dependency>
             <groupId>cn.iocoder.boot</groupId>
@@ -36,7 +32,6 @@
         <dependency>
             <groupId>mysql</groupId>
             <artifactId>mysql-connector-java</artifactId>
-            <version>${mysql.version}</version>
         </dependency>
         <dependency>
             <groupId>com.oracle.database.jdbc</groupId>