Bump the test-lib group with 1 update

Bumps the test-lib group with 1 update: [Microsoft.NET.Test.Sdk](https://github.com/microsoft/vstest).

- [Release notes](https://github.com/microsoft/vstest/releases)
- [Changelog](https://github.com/microsoft/vstest/blob/main/docs/releases.md)
- [Commits](microsoft/vstest@v17.7.2...v17.8.0)

---
updated-dependencies:
- dependency-name: Microsoft.NET.Test.Sdk
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: test-lib
...

Signed-off-by: dependabot[bot] <support@github.com>

src/pocof.Test/pocof.Test.fsproj

@@ -16,7 +16,7 @@
 
   <ItemGroup>
     <PackageReference Include="FsUnit.xUnit" Version="5.5.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.7.2" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
     <PackageReference Include="xunit" Version="2.6.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.5.3">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>