Bump Microsoft.NET.Test.Sdk from 17.4.1 to 17.8.0

Bumps [Microsoft.NET.Test.Sdk](https://github.com/microsoft/vstest) from 17.4.1 to 17.8.0.
- [Release notes](https://github.com/microsoft/vstest/releases)
- [Changelog](https://github.com/microsoft/vstest/blob/main/docs/releases.md)
- [Commits](microsoft/vstest@v17.4.1...v17.8.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

Compat.Tests/Compat.Tests.csproj

@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <TargetFrameworks>net35;net40;net45;net452;net461;net462;net48;netstandard1.3;netstandard1.6;netstandard2.0;netstandard2.1;netcoreapp2.0;netcoreapp2.1;netcoreapp2.2;netcoreapp3.0;netcoreapp3.1;net5.0;net6.0;net7.0</TargetFrameworks>
@@ -8,7 +8,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.NETFramework.ReferenceAssemblies" Version="1.0.3" PrivateAssets="All" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.4.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
     <PackageReference Include="NUnit3TestAdapter" Version="4.3.1" />
     <PackageReference Include="Lepracaun" Version="0.4.0" />
   </ItemGroup>