meta: fixup CODEOWNERS so it hopefully works

the CODEOWNERS rules for QUIC are not working and it's not entirely clear why.
Hoping it's just the way the paths were specified.

PR-URL: https://github.com/nodejs/node/pull/34147


Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>