chore: Upgrade miow

Author: epage

crates/cargo-util/Cargo.toml

@@ -24,5 +24,5 @@ walkdir = "2.3.1"
 core-foundation = { version = "0.9.0", features = ["mac_os_10_7_support"] }
 
 [target.'cfg(windows)'.dependencies]
-miow = "0.3.6"
+miow = "0.4.0"
 winapi = { version = "0.3.9", features = ["consoleapi", "minwindef"] }