Update dependency Microsoft.NET.Test.Sdk to v18

Author: renovate[bot]

Directory.Packages.props

@@ -36,7 +36,7 @@
         <PackageVersion Include="Microsoft.CodeCoverage" Version="17.13.0" />
         <PackageVersion Include="FakeItEasy" Version="8.3.0" />
         <PackageVersion Include="Shouldly" Version="4.3.0" />
-        <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.13.0" />
+        <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="18.0.1" />
         <PackageVersion Include="Rocket.Surgery.Extensions.Testing.FakeItEasy" Version="9.0.5" />
         <PackageVersion Include="Rocket.Surgery.Extensions.Testing.XUnit3" Version="9.0.5" />
         <PackageVersion Include="Rocket.Surgery.Extensions.Testing.SourceGenerators" Version="9.0.5" />