Please support non-English

[KarlManong]

What happened?

When using in an non-English environment, This plugin will not work properly.

Such as #504 will not work.

The err doesn't contains the specific characters, while it output like

$git describe --tags --abbrev=0

fatal: 没有标签能描述 '7ff467106431cdd8715aeec9b5f58458dc5d2102'。
尝试 --always，或者创建一些标签。

What did you want to happen?

Do set LANGUAGE = en_US when invoking git commands