chore: window-sys should be a platform-specific dependency

Author: weihanglo

credential/cargo-credential/Cargo.toml

@@ -13,6 +13,8 @@ serde = { workspace = true, features = ["derive"] }
 serde_json.workspace = true
 thiserror.workspace = true
 time.workspace = true
+
+[target.'cfg(windows)'.dependencies]
 windows-sys = { workspace = true, features = ["Win32_System_Console", "Win32_Foundation"] }
 
 [dev-dependencies]