Small improvement to the GPG command

[peterdeme]

Description of the change

It doesn't work on my machine without this option. I thought I'll add it.

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[eliecharra]

Not a strong opinion, but keyservers configuration responsibility should not be on us.
I'm fine if we want to suggest a default one anyway, that's not a big deal 🤷

[peterdeme]

@eliecharra fair. I was just confused because the command literally didn't work on my machine 😅

[eliecharra]

Yeah I guess you don't have any keyserver defined in ~/.gnupg/gpg.conf

[peterdeme]

alright