perf(net): avoid collect allocation in tx announcement trace log (paradigmxyz#22985)

Author: mattsse

crates/net/network/src/transactions/mod.rs

@@ -1,6 +1,7 @@
 //! Transactions management for the p2p network.
 
 use alloy_consensus::transaction::TxHashRef;
+use itertools::Itertools;
 use rayon::iter::{IntoParallelIterator, ParallelIterator};
 
 /// Aggregation on configurable parameters for [`TransactionsManager`].
@@ -758,7 +759,7 @@ impl<Pool: TransactionPool, N: NetworkPrimitives> TransactionsManager<Pool, N> {
         trace!(target: "net::tx::propagation",
             peer_id=format!("{peer_id:#}"),
             hashes_len=valid_announcement_data.len(),
-            hashes=?valid_announcement_data.keys().collect::<Vec<_>>(),
+            hashes=%valid_announcement_data.keys().format(", "),
             msg_version=%valid_announcement_data.msg_version(),
             client_version=%client,
             "received previously unseen and pending hashes in announcement from peer"