tokio: update mio-aio dev dependency to 1.0 (#7235)

This eliminates a duplicate dependency on mio

Author: asomers

tokio/Cargo.toml

@@ -147,7 +147,7 @@ rand = "0.8.0"
 wasm-bindgen-test = "0.3.0"
 
 [target.'cfg(target_os = "freebsd")'.dev-dependencies]
-mio-aio = { version = "0.9.0", features = ["tokio"] }
+mio-aio = { version = "1", features = ["tokio"] }
 
 [target.'cfg(loom)'.dev-dependencies]
 loom = { version = "0.7", features = ["futures", "checkpoint"] }