Avoid executing _VerifyXcodeVersion when there's no connection to a Mac

[mauroa]

This should fix an annoying warning where the user builds an iOS project offline and get a message about that target couldn't be executed

[mauroa]

/sudo backport release/6.0.3xx

[vs-mobiletools-engineering-service2]

Backport Job to branch release/6.0.3xx Created! The magic is happening here

[vs-mobiletools-engineering-service2]

Hooray! Backport succeeded! Please see https://devdiv.visualstudio.com/DevDiv/_build/results?buildId=6151238 for more details.

[vs-mobiletools-engineering-service2]

📚 [PR Build] Artifacts 📚

Packages generated

View packages

• Microsoft.iOS.Bundle.15.4.46-ci.pr.gh15026.pkg
• Microsoft.iOS.Ref.15.4.46-ci.pr.gh15026.nupkg
• Microsoft.iOS.Runtime.ios-arm.15.4.46-ci.pr.gh15026.nupkg
• Microsoft.iOS.Runtime.ios-arm64.15.4.46-ci.pr.gh15026.nupkg
• Microsoft.iOS.Runtime.iossimulator-arm64.15.4.46-ci.pr.gh15026.nupkg
• Microsoft.iOS.Runtime.iossimulator-x64.15.4.46-ci.pr.gh15026.nupkg
• Microsoft.iOS.Runtime.iossimulator-x86.15.4.46-ci.pr.gh15026.nupkg
• Microsoft.iOS.Sdk.15.4.46-ci.pr.gh15026.nupkg
• Microsoft.iOS.Templates.15.4.46-ci.pr.gh15026.nupkg
• Microsoft.iOS.Windows.Sdk.15.4.46-ci.pr.gh15026.nupkg
• Microsoft.MacCatalyst.Bundle.15.4.46-ci.pr.gh15026.pkg
• Microsoft.MacCatalyst.Ref.15.4.46-ci.pr.gh15026.nupkg
• Microsoft.MacCatalyst.Runtime.maccatalyst-arm64.15.4.46-ci.pr.gh15026.nupkg
• Microsoft.MacCatalyst.Runtime.maccatalyst-x64.15.4.46-ci.pr.gh15026.nupkg
• Microsoft.MacCatalyst.Sdk.15.4.46-ci.pr.gh15026.nupkg
• Microsoft.MacCatalyst.Templates.15.4.46-ci.pr.gh15026.nupkg
• Microsoft.macOS.Bundle.12.3.46-ci.pr.gh15026.pkg
• Microsoft.macOS.Ref.12.3.46-ci.pr.gh15026.nupkg
• Microsoft.macOS.Runtime.osx-arm64.12.3.46-ci.pr.gh15026.nupkg
• Microsoft.macOS.Runtime.osx-x64.12.3.46-ci.pr.gh15026.nupkg
• Microsoft.macOS.Sdk.12.3.46-ci.pr.gh15026.nupkg
• Microsoft.macOS.Templates.12.3.46-ci.pr.gh15026.nupkg
• Microsoft.NET.Sdk.iOS.Manifest-6.0.300.15.4.46-ci.pr.gh15026.nupkg
• Microsoft.NET.Sdk.MacCatalyst.Manifest-6.0.300.15.4.46-ci.pr.gh15026.nupkg
• Microsoft.NET.Sdk.macOS.Manifest-6.0.300.12.3.46-ci.pr.gh15026.nupkg
• Microsoft.NET.Sdk.tvOS.Manifest-6.0.300.15.4.46-ci.pr.gh15026.nupkg
• Microsoft.NET.Workload.iOS.15.4.46-ci.pr.gh15026.msi
• Microsoft.tvOS.Bundle.15.4.46-ci.pr.gh15026.pkg
• Microsoft.tvOS.Ref.15.4.46-ci.pr.gh15026.nupkg
• Microsoft.tvOS.Runtime.tvos-arm64.15.4.46-ci.pr.gh15026.nupkg
• Microsoft.tvOS.Runtime.tvossimulator-arm64.15.4.46-ci.pr.gh15026.nupkg
• Microsoft.tvOS.Runtime.tvossimulator-x64.15.4.46-ci.pr.gh15026.nupkg
• Microsoft.tvOS.Sdk.15.4.46-ci.pr.gh15026.nupkg
• Microsoft.tvOS.Templates.15.4.46-ci.pr.gh15026.nupkg
• xamarin.ios-15.11.0.234.pkg
• xamarin.mac-8.11.0.234.pkg

Pipeline on Agent XAMBOT-1033.Monterey'
Hash: f97294daf5dae572ab654a21d258dfca3a6c1f0f

[vs-mobiletools-engineering-service2]

💻 [PR Build] Tests on macOS M1 - Mac Big Sur (11.5) passed 💻

✅ All tests on macOS M1 - Mac Big Sur (11.5) passed.

Pipeline on Agent
Hash: f97294daf5dae572ab654a21d258dfca3a6c1f0f

[vs-mobiletools-engineering-service2]

💻 [PR Build] Tests on macOS Mac Catalina (10.15) passed 💻

✅ All tests on macOS Mac Catalina (10.15) passed.

Pipeline on Agent
Hash: f97294daf5dae572ab654a21d258dfca3a6c1f0f

[vs-mobiletools-engineering-service2]

📋 [PR Build] API Diff 📋

API Current PR diff

ℹ️ API Diff (from PR only) (please review changes)

View API diff

• iOS vsdrops gist
• macOS vsdrops gist
• tvOS vsdrops gist
• watchOS vsdrops gist

View dotnet API diff

• dotnet-iOS vsdrops gist
• dotnet-macOS vsdrops gist
• dotnet-tvOS vsdrops gist
• dotnet-MacCatalyst vsdrops gist

View dotnet legacy API diff

• dotnet-legacy-iOS vsdrops gist
• dotnet-legacy-macOS vsdrops gist
• dotnet-legacy-tvOS vsdrops gist

View dotnet iOS-MacCatalayst API diff

• dotnet-macCatiOS vsdrops gist

API diff

✅ API Diff from stable

View API diff

• iOS vsdrops gist
• macOS vsdrops gist
• tvOS vsdrops gist
• watchOS vsdrops gist

View dotnet API diff

• dotnet-iOS vsdrops gist
• dotnet-macOS vsdrops gist
• dotnet-tvOS vsdrops gist
• dotnet-MacCatalyst vsdrops gist

View dotnet legacy API diff

• dotnet-legacy-iOS vsdrops gist
• dotnet-legacy-macOS vsdrops gist
• dotnet-legacy-tvOS vsdrops gist

View dotnet iOS-MacCatalayst API diff

• dotnet-macCatiOS vsdrops gist

Generator diff

✅ Generator Diff (no change)

Pipeline on Agent XAMBOT-1107.Monterey
Hash: f97294daf5dae572ab654a21d258dfca3a6c1f0f

[vs-mobiletools-engineering-service2]

❌ [CI Build] Tests failed on VSTS: simulator tests iOS ❌

Tests failed on VSTS: simulator tests iOS.

• Azure DevOps
• Html Report (VSDrops) Download

Test results

3 tests failed, 145 tests passed.

Failed tests

• monotouch-test/watchOS 32-bits - simulator/Debug (LinkSdk): TimedOut
• monotouch-test/watchOS 32-bits - simulator/Debug (static registrar): Crashed
• monotouch-test/watchOS 32-bits - simulator/Release (all optimizations): Crashed

Pipeline on Agent XAMBOT-1106.Monterey'
Merge f97294d into 4b55815

[rolfbjarne]

Test failures are unrelated (https://github.com/xamarin/maccore/issues/2558).