🧪 Apple 发布 [测试版] 软件更新

* Xcode 16 beta 4 (16A5211f)
* iOS 18 beta 4 (22A5316j)
* iPadOS 18 beta 4 (22A5316j)
* macOS 15 beta 4 (24A5298h)
* tvOS 18 beta 4 (22J5324f)
* visionOS 2 beta 4 (22N5286g)
* watchOS 11 beta 4 (22R5318h)
* iOS 17.6 Release Candidate (21G79)
* iPadOS 17.6 Release Candidate (21G79)
* macOS 14.6 Release Candidate (23G80)
* tvOS 17.6 Release Candidate (21M71)
* visionOS 1.3 Release Candidate (21O771)
* watchOS 10.6 Release Candidate (21U577)