Bump mysql-connector-java from 5.1.38 to 8.0.16

Bumps [mysql-connector-java](https://github.com/mysql/mysql-connector-j) from 5.1.38 to 8.0.16.
- [Release notes](https://github.com/mysql/mysql-connector-j/releases)
- [Changelog](https://github.com/mysql/mysql-connector-j/blob/release/8.0/CHANGES)
- [Commits](https://github.com/mysql/mysql-connector-j/compare/5.1.38...8.0.16)

Signed-off-by: dependabot[bot] <support@github.com>

pom.xml

@@ -38,7 +38,7 @@
         <!-- 公共配置块 End -->
         <springboot.version>2.1.6.RELEASE</springboot.version>
         <springboot.starter.version>2.1.0</springboot.starter.version>
-        <mysql.connector.version>5.1.38</mysql.connector.version>
+        <mysql.connector.version>8.0.16</mysql.connector.version>
         <lombok.version>1.18.8</lombok.version>
         <hutool.version>4.5.16</hutool.version>
         <fastjson.version>1.2.58</fastjson.version>