[LTP] [PATCH 1/1] ci: doc: Remove Ubuntu bionic

[Petr Vorel]

Hi Cyril,

> Hi!
> Shouldn't we replace that with a bleeding edge version of Ubuntu? Or
> with some other distro?

> I think that we should keep the number of distros in the CI constant and
> just replace the expired ones with newer codestreams.

I originally wanted not to add any distro to shorten the runtime, but
adding 24.04 LTS noble (latest LTS) makes sense. I've sent v2.

Kind regards,
Petr