Bump Microsoft.NET.Test.Sdk and Microsoft.NETFramework.ReferenceAssemblies (#2984)

Bumps [Microsoft.NET.Test.Sdk](https://github.com/microsoft/vstest) and [Microsoft.NETFramework.ReferenceAssemblies](https://github.com/Microsoft/dotnet). These dependencies needed to be updated together.

Updates `Microsoft.NET.Test.Sdk` from 17.11.1 to 17.12.0
- [Release notes](https://github.com/microsoft/vstest/releases)
- [Changelog](https://github.com/microsoft/vstest/blob/main/docs/releases.md)
- [Commits](microsoft/vstest@v17.11.1...v17.12.0)

Updates `Microsoft.NETFramework.ReferenceAssemblies` from 1.0.3 to 1.0.3
- [Commits](https://github.com/Microsoft/dotnet/commits)

---
updated-dependencies:
- dependency-name: Microsoft.NET.Test.Sdk
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: Microsoft.NETFramework.ReferenceAssemblies
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

Octokit.Tests.Conventions/Octokit.Tests.Conventions.csproj

@@ -33,7 +33,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
     <PackageReference Include="xunit" Version="2.9.2" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.8.2" />
   </ItemGroup>

Octokit.Tests.Integration/Octokit.Tests.Integration.csproj

@@ -34,7 +34,7 @@
 
   <ItemGroup>
 	<PackageReference Include="GitHubJwt" Version="0.0.6" />
-	<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
+	<PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
 	<PackageReference Include="System.IO.Compression" Version="4.3.0" />
   <PackageReference Include="xunit" Version="2.9.2" />
   <PackageReference Include="xunit.runner.visualstudio" Version="2.8.2" />

Octokit.Tests/Octokit.Tests.csproj

@@ -33,7 +33,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
     <PackageReference Include="System.Net.Http" Version="4.3.4" />
     <PackageReference Include="xunit" Version="2.9.2" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.8.2" />