build(deps): update lru requirement from 0.15 to 0.16 (#2693)

Author: dependabot[bot]

quic/s2n-quic-qns/Cargo.toml

@@ -21,7 +21,7 @@ cfg-if = "1"
 futures = "0.3"
 http = "1.0"
 humansize = "2"
-lru = "0.15"
+lru = "0.16"
 rand = "0.9"
 s2n-codec = { path = "../../common/s2n-codec" }
 s2n-quic-core = { path = "../s2n-quic-core", features = ["testing"] }