Bump CI to macOS 14 and build visionOS debug simulator

[mischreiber]

Platforms Impacted

• iOS
• macOS

Description of changes

• Updating our workflows to use macOS 14 runners, which are ARM64 devices by default
• Using these new runners, verify visionOS as part of the CI pipeline

Binary change

n/a -- only pipeline changes

Verification

Hopefully CI passes :)

Pull request checklist

This PR has considered:

• Light and Dark appearances
• iOS supported versions (all major versions greater than or equal current target deployment version)
• VoiceOver and Keyboard Accessibility
• Internationalization and Right to Left layouts
• Different resolutions (1x, 2x, 3x)
• Size classes and window sizes (iPhone vs iPad, notched devices, multitasking, different window sizes, etc)
• iPad Pointer interaction
• SwiftUI consumption (validation or new demo scenarios needed)
• Objective-C exposure (provide it only if needed)

Microsoft Reviewers: Open in CodeFlow

[joannaquu]

do we want device too or is simulator enough

[mischreiber]

do we want device too or is simulator enough

I was wondering about that too. In your experience, have there been any interesting differences between device and simulator that we should consider? I assumed that for most cases (catching deprecated API usage, for example), one should be sufficient.

[joannaquu]

do we want device too or is simulator enough

I was wondering about that too. In your experience, have there been any interesting differences between device and simulator that we should consider? I assumed that for most cases (catching deprecated API usage, for example), one should be sufficient.

nope!