textproc/peco: update to 0.5.10 and take maintainership

While here:

• switch to USES=go:modules
• add DOCS option

Changelog: https://github.com/peco/peco/blob/v0.5.10/Changes

PR: 269700
Approved by: fernape
MFH: 2023Q1

(cherry picked from commit bd7e123608126e005d62041586cae486c5a1e62d)