fix(host): allow too_many_arguments on the two fns the v4 merge grew

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

crates/punktfunk-host/src/native/handshake.rs

@@ -10,7 +10,7 @@ use super::*;
 
 /// Run the Hello→Welcome→Start negotiation. Borrows the control streams (the caller keeps them for
 /// mid-stream renegotiation afterwards). `first` is the already-read first control message.
-#[allow(clippy::type_complexity)]
+#[allow(clippy::type_complexity, clippy::too_many_arguments)]
 pub(super) async fn negotiate(
     conn: &quinn::Connection,
     send: &mut quinn::SendStream,