Update request: adi1090x-plymouth-themes 2020-12-28 → 1.0

[sochotnicky]

• Package name: adi1090x-plymouth-themes
• Latest released version: v1.0 (yay)
• Current version on the unstable channel: 2020-12-28
• Current version on the stable/release channel: 2020-12-28
• [x] Checked the nixpkgs pull requests

There's been a few fixes added recently and the release is fairly fresh but I thought I'd create this

Notify maintainers @slwst

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Note for maintainers: Please tag this issue in your PR.

[sochotnicky]

Tried to prep an update for this in https://github.com/NixOS/nixpkgs/pull/256097

[slwst]

LGTM, thanks :smile: