Minimize additional features for the zip dependency.

This dependency is used to download `onnxruntime*.zip` in the build
script, but it is small enough and the default miniz-oxide backend is
not much slow enough that no other fancy feature is needed.

Cargo.toml

@@ -25,4 +25,4 @@ flate2 = "1.0.28"
 tar = "0.4.40"
 
 [target.'cfg(windows)'.build-dependencies]
-zip = "0.6.6"
+zip = { version = "0.6.6", default-features = false, features = ["deflate"] }