Adding Spring Milestone repo to the pluginRepositories in the POM to prevent build error due to a transitive dependency on a Spring Integration milestone build.
Adding Spring Milestone repo to the pluginRepositories in the POM to
prevent build error due to a transitive dependency on a Spring
Integration milestone build.

dave-malone/spring-boot-hello-world,umaorg/uma-hello-spring,cloudfoundry-samples/hello-spring-cloud,cloudfoundry-samples/hello-spring-cloud,umaorg/uma-hello-spring