Bug#895597: lintian: recommend runuser(1) for recursive file changes

[Felix Lechner <felix.lechner@lease-up.com>]

Hi dkg,

> From the tag description (extended in bug #889489), it's not clear to me
> *how* to use runuser for the requested fix and *why* using runuser
> actually fixes the problem described in the tag

> I can't comment on this directly, but the tag was also extended in
> #895370 which might explain a little more.

You filed both of the bugs referenced here but even though they are
closed, something was still unclear. I rewrote the tag description and
renamed the tag. Perhaps you have a moment to take brief look. Thanks!

    https://salsa.debian.org/lintian/lintian/-/blob/master/tags/r/recursive-privilege-change.desc

Kind regards
Felix Lechner