chore(macos): vendor system-sdk dependency

libs/system-sdk/macos12/System/Library/Frameworks/Cocoa.framework/Cocoa.tbd

@@ -0,0 +1,16 @@
+--- !tapi-tbd
+tbd-version:     4
+targets:         [ x86_64-macos, arm64-macos, arm64e-macos ]
+uuids:
+  - target:          x86_64-macos
+    value:           DDC94193-6A78-3F24-AE77-1667F2FD66B7
+  - target:          arm64-macos
+    value:           00000000-0000-0000-0000-000000000000
+  - target:          arm64e-macos
+    value:           A715DD7B-6CD2-34D5-962A-E9EFF7E63840
+install-name:    '/System/Library/Frameworks/Cocoa.framework/Versions/A/Cocoa'
+current-version: 23
+exports:
+  - targets:         [ arm64e-macos, x86_64-macos, arm64-macos ]
+    symbols:         [ _CocoaVersionNumber, _CocoaVersionString ]
+...

libs/system-sdk/macos12/System/Library/Frameworks/Cocoa.framework/Headers/Cocoa.h

@@ -0,0 +1,14 @@
+/*
+	Cocoa.h
+	Cocoa Framework
+	Copyright (c) 2000-2015, Apple Inc.
+	All rights reserved.
+
+	This file should be included by all Cocoa application source files for easy building.  Using this file is preferred over importing individual files because it will use a precompiled version.
+
+	Tools with no UI and no AppKit dependencies may prefer to include just <Foundation/Foundation.h>.
+*/
+
+#import <Foundation/Foundation.h>
+#import <AppKit/AppKit.h>
+#import <CoreData/CoreData.h>

libs/system-sdk/macos12/System/Library/Frameworks/Cocoa.framework/Modules/module.modulemap

@@ -0,0 +1,5 @@
+framework module Cocoa [extern_c] {
+    umbrella header "Cocoa.h"
+    export *
+    module * { export * }
+}