auto add tag:version (version+1)

[caizx666]

增加了给tag自动累加版本号功能，以便在部署时可以更新这个新版本的镜像

累加规则： 1、获取当前已有的tags， 2、排除latest版本，找到最大的tag末位自动加一，例如：2.0 => 2.1

[knownasilya]

translation:

Added the function of automatically accumulating the version number to the tag so that the new version of the image can be updated during deployment

Accumulation rules:

1. Get the currently existing tags,
2. Exclude the latest version, and automatically add one to the end of the largest tag, for example: 2.0 => 2.1