Merge remote-tracking branch 'origin/renovate/vstest-monorepo' into issue/OSOE-1028

# Conflicts:
#	Lombiq.HelpfulLibraries.Tests/Lombiq.HelpfulLibraries.Tests.csproj

Author: Piedone

Lombiq.HelpfulLibraries.Tests/Lombiq.HelpfulLibraries.Tests.csproj

@@ -17,7 +17,7 @@
   </Target>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.13.0" />
     <PackageReference Include="xunit.v3" Version="1.1.0" />
     <PackageReference Include="xunit.runner.visualstudio" Version="3.0.2">
       <PrivateAssets>all</PrivateAssets>