Bump Microsoft.NET.Test.Sdk and Microsoft.NETFramework.ReferenceAssemblies (#232)

Author: dependabot[bot]

src/AsyncAwaitBestPractices.UnitTests/AsyncAwaitBestPractices.UnitTests.csproj

@@ -14,7 +14,7 @@
             <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
             <PrivateAssets>all</PrivateAssets>
         </PackageReference>
-        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
+        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.13.0" />
         <PackageReference Include="Microsoft.NETFramework.ReferenceAssemblies" Version="1.0.3" PrivateAssets="All" />
         <PackageReference Include="coverlet.collector" Version="6.0.4" PrivateAssets="All" />
     </ItemGroup>