[Bug web/64968] Upgrade GCC Bugzilla to 5.0

[trippels at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64968

--- Comment #22 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
(In reply to Frédéric Buclin from comment #21)
> Markus, did you change your timezone preference between comments 18 and 19?
> If yes, which ones did you select?

No. But the question makes no sense, because we're talking about mails that
bugzilla automatically sends to the bug mailing lists on every new comment.
And I have no control over these.