[LTP] [PATCH v2] MAINTAINERS: Update Andrea Cervesato's email for LTP

[Petr Vorel]

Hi Andrea,

> I'm not working for SUSE anymore and I will use linux.dev email to
> develop and maintain Linux Test Project. Also update .mailmap.

Acked-by: Petr Vorel <pvorel@suse.cz>

Kind regards,
Petr