Return only numbers in short version
Return only numbers in short version

Python version of docker compose removes the v prefix in the version.

```
$ docker-compose version --short
1.25.5
```

Signed-off-by: Guillaume Rose <2f62e3fe920ce0f1d8161b55fdcb51ab6116a042@redhat.com>

docker/compose,docker/compose,docker/compose