Auto merge of #3470 - JohnTitor:docs-rs-aarch64-apple-darwin, r=JohnTitor

Generate `aarch64-apple-darwin` docs on docs.rs

Fixes #3289 (I think we've now added most targets on Apple devices)

Author: bors

Cargo.toml

@@ -19,6 +19,7 @@ Raw FFI bindings to platform libraries like libc.
 features = ["const-extern-fn", "extra_traits"]
 default-target = "x86_64-unknown-linux-gnu"
 targets = [
+    "aarch64-apple-darwin",
     "aarch64-apple-ios",
     "aarch64-linux-android",
     "aarch64-pc-windows-msvc",