Update rust-futures monorepo to 0.3.31

Author: nextest-bot

Cargo.lock

@@ -14,11 +14,11 @@ keywords = ["stream", "futures", "async", "buffer_unordered"]
 
 [dependencies]
 fnv = "1.0.7"
-futures-util = { version = "0.3.30", default-features = false, features = ["std"] }
+futures-util = { version = "0.3.31", default-features = false, features = ["std"] }
 pin-project-lite = "0.2.14"
 
 [dev-dependencies]
-futures = "0.3.30"
+futures = "0.3.31"
 maplit = "1.0.2"
 proptest = { version = "1.0.0", features = ["timeout"] }
 proptest-derive = "0.4.0"