Update core to 14.12.0 #2091

Job	Run time
Deploy BaaS (code-coverage)	1m 47s
Test Source Generation	7m 8s
Verify TODOs	3s
Test Weaver (windows-latest, win-x64)	10m 28s
Test Weaver (ubuntu-latest, linux-x64)	3m 3s
Test Weaver (macos-14, osx-arm64)	3m 58s
Wrappers / Check Cache (ubuntu)	35s
Wrappers / Check Cache (windows)	38s
Wrappers / Catalyst	10m 18s
Wrappers / MacOS	11m 32s
Wrappers / Android (armeabi-v7a)	7m 23s
Wrappers / Apple Platform (iOS, Device)	7m 10s
Wrappers / Android (arm64-v8a)	8m 5s
Wrappers / Apple Platform (iOS, Simulator)	10m 15s
Wrappers / Android (x86)	7m 46s
Wrappers / Linux (x86_64)	6m 9s
Wrappers / Apple Platform (tvOS, Device)	6m 28s
Wrappers / Android (x86_64)	7m 40s
Wrappers / UWP (Win32)	14m 34s
Wrappers / Linux (armhf)	5m 54s
Wrappers / Apple Platform (tvOS, Simulator)	9m 51s
Wrappers / UWP (x64)	14m 33s
Wrappers / Linux (aarch64)	6m 15s
Wrappers / UWP (ARM)	11m 40s
Wrappers / UWP (ARM64)	12m 58s
Wrappers / Windows (Win32)	11m 53s
Wrappers / Windows (x64)	10m 29s
Wrappers / Windows (ARM64)	14m 11s
Package NuGet	7m 33s
Test Code Coverage	27m 50s
Package Unity	2m 20s
Test .NET Framework	5m 13s
Test Maui.MacCatalyst	21m 23s
Test Xamarin.macOS	10m 18s
Test UWP	3m 35s
Test net6.0, win-x64	5m 23s
Test Maui.iOS	7m 37s
Test net6.0, linux-x64	3m 5s
Test net6.0, osx-x64	10m 54s
Test Xamarin.iOS	14m 35s
Test net8.0, osx-arm64	4m 1s
Test Maui.Android	14m 51s
Test Xamarin.Android	14m 48s
Test Xamarin.tvOS	9m 13s
Test Woven Classes	5m 2s
Verify Namespaces	59s
Build Unity linux	0s
Build Unity windows	0s
Test Unity linux	0s
Test Unity windows	0s
Cleanup BaaS	0s
	6h 31m 24s

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