[BUG] Out of disk space speaks generic error

[NeonDaniel]

Description

If there isn't enough disk space to download an update; it fails with a generic error message.

This should check for some minimum free space before starting the download and speak a more specific error message.

Steps to Reproduce

No response

Relevant Code

No response

Other Notes

https://matrix.to/#/!XeBSsfCqDoWgGMihCz:matrix.org/$jePxTDdscy9GUFuNwPpak_lwuo2qSsUeo0piKmGH6c0?via=matrix.org&via=strugee.net&via=matrix.freyachat.eu