[Call for reviewers] Switch `text`'s internal representation to UTF-8

Hello everyone, After tremendous efforts, the pull request to switch `text`'s internal representation to UTF-8 is here, and unsurprisingly this is a titan's work. It lives here: https://github.com/haskell/text/pull/365 We are sending out a call for reviewers, as this is a cornerstone of our ecosystem. The performance gains from this PR are huge and I would like to ensure we can have a multitude of eyes to take a look. I wish to express my thanks to all of you. This is definitely the kind of advances that will make Haskell a stronger language for the times to come. Cheers, Hécate. -- Hécate ✨ 🐦: @TechnoEmpress IRC: Hecate WWW: https://glitchbra.in RUN: BSD