Update futures version

Author: Kobzol

Cargo.lock

@@ -19,7 +19,7 @@ rust_team_data = { git = "https://github.com/rust-lang/team" }
 glob = "0.3.0"
 toml = "0.8.20"
 hyper = { version = "0.14.4", features = ["server", "stream"] }
-tokio = { version = "1.7.1", features = ["macros", "time", "rt"] }
+tokio = { version = "1", features = ["macros", "time", "rt"] }
 futures = { version = "0.3", default-features = false, features = ["std"] }
 async-trait = "0.1.31"
 uuid = { version = "0.8", features = ["v4", "serde"] }