Re: [PATCH v2] doc: interpret-trailers: fix cmd examples

> From: Kristoffer Haugsbakk <code@khaugsbakk.name>
>
> Fix `trailer.<key-alias>.cmd` examples which have remained unchanged
> since they were written in c364b7ef (trailer: add new .cmd config
> option, 2021-05-03). (Modulo formatting changes.)
>
> Steal how the `see` example is phrased and use that as a template:
>
>     Configure a `see` trailer with a command to show the subject of a
>     commit that is related, and show how it works:
>
> Signed-off-by: Kristoffer Haugsbakk <code@khaugsbakk.name>
> ---