deps: update mstest monorepo to 1.8.5 (#241)

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

Author: renovate[bot]

Directory.Packages.props

@@ -3,8 +3,8 @@
     <PackageVersion Include="Expecto" Version="[10.2.2, 11.0)" />
     <PackageVersion Include="FSharp.Core" Version="[7.0.200,)" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
-    <PackageVersion Include="Microsoft.Testing.Extensions.VSTestBridge" Version="1.8.4" />
-    <PackageVersion Include="Microsoft.Testing.Platform.MSBuild" Version="1.8.4" />
+    <PackageVersion Include="Microsoft.Testing.Extensions.VSTestBridge" Version="1.8.5" />
+    <PackageVersion Include="Microsoft.Testing.Platform.MSBuild" Version="1.8.5" />
     <PackageVersion Include="Microsoft.TestPlatform.ObjectModel" Version="17.14.1" />
   </ItemGroup>
 </Project>