【立即升级】Spring Boot Admin 2.2.1 发布，修复集群日志问题

maven 依赖坐标

<dependency>
    <groupId>de.codecentric</groupId>
    <artifactId>spring-boot-admin-starter-server</artifactId>
    <version>2.2.1</version>
</dependency>
<dependency>
    <groupId>de.codecentric</groupId>
    <artifactId>spring-boot-admin-starter-client</artifactId>
    <version>2.2.1</version>
</dependency><dependency>
    <groupId>de.cod