Add short term workaround to issue with iOS publish where the CoreML frameworks is not added to the link list. Pending real fix from MAUI folks. (microsoft#131)

Also update ORT to 1.12.1 which has a better Android build.

Author: skottmckay

mobile/examples/Maui/MauiVisionSample/MauiVisionSample/MauiVisionSample.csproj

@@ -26,7 +26,17 @@
 		<TargetPlatformMinVersion Condition="$([MSBuild]::GetTargetPlatformIdentifier('$(TargetFramework)')) == 'windows'">10.0.17763.0</TargetPlatformMinVersion>
 		<DefaultLanguage>en</DefaultLanguage>
 	</PropertyGroup>
-
+	
+	<!-- 
+	Short term workaround for issue with publishing the iOS IPA by manually adding CoreML to the frameworks we link against.
+	https://github.com/microsoft/onnxruntime/issues/12420
+	-->
+	<Target Name="AddCoreML" Condition="'$(TargetFramework)' == 'net6.0-ios'" AfterTargets="_LoadLinkerOutput" BeforeTargets="_ComputeLinkNativeExecutableInputs">
+		<ItemGroup>
+			<_LinkerFrameworks Include="CoreML" />
+		</ItemGroup>
+	</Target>
+	
 	<ItemGroup>
 		<!-- App Icon -->
 		<MauiIcon Include="Resources\AppIcon\appicon.svg" ForegroundFile="Resources\AppIcon\appiconfg.svg" Color="#512BD4" />
@@ -45,7 +55,7 @@
 	</ItemGroup>
 
 	<ItemGroup>
-	  <PackageReference Include="Microsoft.ML.OnnxRuntime" Version="1.12.0" />
+	  <PackageReference Include="Microsoft.ML.OnnxRuntime" Version="1.12.1" />
 	  <PackageReference Include="SkiaSharp" Version="2.88.0" />
 	</ItemGroup>