Log Message:
mise: update to 2024.5.28. Changes:

### Features

* use all tera features

### Bug Fixes

* download keeps failing if it takes more than 30s
* settings unset does not work
* cleaner community-developed plugin warning
* correct `mise use` ordering
* normalize remote urls

### Refactor

* forge -> backend
* rename External plugins to Asdf
* split asdf into forge+plugin
* turn asdf into a forge

Relinquish MAINTAINER, in case someone else is actually using this.