refactor(xxl-job-admin):调整端口和数据库配置

- 将服务器端口从 8080 修改为8090
- 更新 MySQL 数据库连接 URL
- 注释掉旧的数据库连接 URL

xxl-job-admin/src/main/resources/application.properties

 ### web
-server.port=8080
+server.port=8090
 server.servlet.context-path=/xxl-job-admin
 
 ### actuator
@@ -24,7 +24,8 @@ mybatis.mapper-locations=classpath:/mybatis-mapper/*Mapper.xml
 #mybatis.type-aliases-package=com.xxl.job.admin.core.model
 
 ### xxl-job, datasource
-spring.datasource.url=jdbc:mysql://rm-j6cqr2n4e0ed3kp9hfo.mysql.rds.aliyuncs.com:3306/xxl_job?useUnicode=true&characterEncoding=utf-8&verifyServerCertificate=false&useSSL=false&autoReconnect=true&failOverReadOnly=false&serverTimezone=Hongkong
+spring.datasource.url=jdbc:mysql://rm-j6cqr2n4e0ed3kp9h.mysql.rds.aliyuncs.com:3306/xxl_job?useUnicode=true&characterEncoding=utf-8&verifyServerCertificate=false&useSSL=false&autoReconnect=true&failOverReadOnly=false&serverTimezone=Hongkong
+#spring.datasource.url=jdbc:mysql://rm-j6cqr2n4e0ed3kp9hfo.mysql.rds.aliyuncs.com:3306/xxl_job?useUnicode=true&characterEncoding=utf-8&verifyServerCertificate=false&useSSL=false&autoReconnect=true&failOverReadOnly=false&serverTimezone=Hongkong
 spring.datasource.username=ant
 spring.datasource.password=Ant4mysql!@#
 spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver