Bump lru crate (#24151)

gossip/Cargo.toml

@@ -18,7 +18,7 @@ flate2 = "1.0"
 indexmap = { version = "1.8", features = ["rayon"] }
 itertools = "0.10.3"
 log = "0.4.14"
-lru = "0.7.3"
+lru = "0.7.5"
 matches = "0.1.9"
 num-traits = "0.2"
 rand = "0.7.0"

gossip/src/cluster_info_metrics.rs

@@ -536,14 +536,7 @@ pub(crate) fn submit_gossip_stats(
         .pull
         .votes
         .into_iter()
-        .map(|(slot, num_votes)| (*slot, *num_votes))
-        .chain(
-            crds_stats
-                .push
-                .votes
-                .into_iter()
-                .map(|(slot, num_votes)| (*slot, *num_votes)),
-        )
+        .chain(crds_stats.push.votes.into_iter())
         .into_grouping_map()
         .aggregate(|acc, _slot, num_votes| Some(acc.unwrap_or_default() + num_votes));
     submit_vote_stats("cluster_info_crds_stats_votes", &votes);