chore: use qlog PacketSent default inside quiche

[LPardue]

In followup to #1931, we can cut down on boilerplate internally

[ghedo]

AFAICT there are a few more EventData cases in lib.rs, h3/mod.rs and recovery/mod.rs that could also be converted, though not quite as satisfying as these changes, do we want to convert those too while at it?

[LPardue]

commit count 📈

(or more like lets squash these then merge"