Update dependency Microsoft.NET.Test.Sdk to 17.12.0 (#386)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

tests/MongoFramework.Tests/MongoFramework.Tests.csproj

@@ -8,7 +8,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.4.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
     <PackageReference Include="Moq" Version="4.18.3" />
     <PackageReference Include="MSTest.TestAdapter" Version="3.0.1" />
     <PackageReference Include="MSTest.TestFramework" Version="3.0.1" />