Moving CI to Qt 6.4

[Kai Uwe Broulik]

That was quick, Christophe, thanks!

https://invent.kde.org/frameworks/kio/-/commit/75c48fcf018116aacc30c362a4cde37ea9262164

Cheers
Kai Uwe

Am 02.10.22 um 11:56 schrieb Ben Cooksley:
> Hi all,
> 
> As part of recent updates to the CI system i've been revising our Qt 6 
> image to move it to Qt 6.4.
> 
> This has shown alas that KIO fails to build from source: 
> https://invent.kde.org/sysadmin/ci-management/-/jobs/505902 
> <https://invent.kde.org/sysadmin/ci-management/-/jobs/505902>
> 
> Can someone please take a look?
> 
> Thanks,
> Ben