deps(test): update dependency microsoft.net.test.sdk to 18.8.1

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
Microsoft.NET.Test.Sdk	18.7.0 → 18.8.1

---

Release Notes

microsoft/vstest (Microsoft.NET.Test.Sdk)

v18.8.1

What's Changed

• Fix protocol negotiation timeout when STJ reflection is disabled (18.8.1) by @​nohwnd in #​16281

Full Changelog: microsoft/vstest@v18.8.0...v18.8.1

v18.8.0

What's Changed

• Migrate from Newtonsoft.Json to System.Text.Json / Jsonite (merge to main) by @​nohwnd in #​15687
  • For more detail refer to https://devblogs.microsoft.com/dotnet/vs-test-is-removing-its-newtonsoft-json-dependency/
• Create source-only filter package by @​Youssef1313 in #​15638
  • Package release is pending.
• Add ARM64 msdia140.dll support to test platform packages by @​nohwnd in #​15692
• Fix mutex cleanup crash on macOS/Linux by @​nohwnd in #​15684
• Restrict artifact temp directory permissions on Unix by @​nohwnd in #​15729
• Add support for filtering uncategorized tests with TestCategory=None by @​Evangelink in #​15727
• Fix SCI binding failure in DTA hosts (main) by @​nohwnd in #​15724
• Fix HTML logger parallel file collision by @​nohwnd in #​15435
• Improve error message when testhost cannot be found by @​nohwnd in #​16053
• Fix HTML logger exception on invalid XML chars in test display names by @​nohwnd in #​16051

Full Changelog: microsoft/vstest@v18.7.0...v18.8.0

---

Configuration

📅 Schedule: (in timezone Europe/Zurich)

• Branch creation
  • "after 9pm,before 6am"
• Automerge
  • At any time (no schedule defined)

🚦 Automerge: Enabled.

♻ Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• If you want to rebase/retry this PR, check this box

---

This PR was generated by Mend Renovate. View the repository job log.