Add macOS support

This MR adds support for the macOS platform.

• Update build-bindings script so it builds for iOS, iOS Simulator, and macOS targets.
• Rebuild Bindings.xcframework.

Package.swift

@@ -42,6 +42,7 @@ let package = Package(
       name: "XXClient",
       dependencies: [
         .target(name: "Bindings"),
+        .product(name: "CustomDump", package: "swift-custom-dump"),
         .product(name: "XCTestDynamicOverlay", package: "xctest-dynamic-overlay"),
       ],
       swiftSettings: swiftSettings