Replace some more futures_util APIs with std variants (#3874)

sqlx-cli/Cargo.toml

@@ -33,7 +33,7 @@ sqlx = { workspace = true, default-features = false, features = [
     "migrate",
     "any",
 ] }
-futures = "0.3.19"
+futures-util = { version = "0.3.19", features = ["alloc"] }
 clap = { version = "4.3.10", features = ["derive", "env", "wrap_help"] }
 clap_complete = { version = "4.3.1", optional = true }
 chrono = { version = "0.4.19", default-features = false, features = ["clock"] }

sqlx-cli/src/lib.rs

@@ -1,8 +1,9 @@
+use std::future::Future;
 use std::io;
 use std::time::Duration;
 
 use anyhow::Result;
-use futures::{Future, TryFutureExt};
+use futures_util::TryFutureExt;
 
 use sqlx::{AnyConnection, Connection};
 use tokio::{select, signal};