MAINTAINERS: kasan, kcov: add bugzilla links

Add links to the Bugzilla component that's used to track KASAN and KCOV
issues.

Link: https://lkml.kernel.org/r/20241012225524.117871-1-andrey.konovalov@linux.dev


Signed-off-by: Andrey Konovalov <andreyknvl@gmail.com>
Acked-by: Dmitry Vyukov <dvyukov@google.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Andrey Ryabinin <ryabinin.a.a@gmail.com>
Cc: Marco Elver <elver@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>