maven切换快照与正式版

引入versions-maven-plugin插件

<!-- https://mvnrepository.com/artifact/org.codehaus.mojo/versions-maven-plugin -->
<dependency>
    <groupId>org.codehaus.mojo</groupId>
    <artifactId>versions-maven-plugin</artifactId>
    <version>2.7</version>
</dependency>