chore(deps): update mstest to 3.9.0

[thomhurst]

This PR contains the following updates:

Package	Type	Update	Change
MSTest.TestAdapter	nuget	minor	3.8.3 -> 3.9.0
MSTest.TestFramework	nuget	minor	3.8.3 -> 3.9.0

---

Release Notes

microsoft/testfx (MSTest.TestAdapter)

v3.9.0

In this release we focused a lot on providing fixes for MSTest and Microsoft.Testing.Platform. The most notable new features and fixes are:

MSTest

• Allow async test methods for UITestMethod on UWP and WinUI by @​Youssef1313 in https://github.com/microsoft/testfx/pull/5297
• Add analyzer for duplicate data row by @​Youssef1313 in https://github.com/microsoft/testfx/pull/5144
• Fix ClassCleanup not called when the first test in class is ignored by @​Youssef1313 in https://github.com/microsoft/testfx/pull/5070
• Fix writing warnings outside of appdomain by @​nohwnd in https://github.com/microsoft/testfx/pull/5371

Microsoft.Testing.Platform

• Add (alpha) Azure DevOps extension to report errors by @​nohwnd in https://github.com/microsoft/testfx/pull/5260
• Kill testhost if writing hang dump fails by @​Youssef1313 in https://github.com/microsoft/testfx/pull/5538

We've also improved the dotnet test experience in dotnet SDK, especially around Retry plugin experience, and started dogfooding the experience in our own repository. Please check out how to enable the new dotnet test experience for Microsoft.Testing.Platform in net10 by following this link, and help us dogfood it.

New Contributors

• @​stan-sz made their first contribution in https://github.com/microsoft/testfx/pull/5214
• @​YoshiRulz made their first contribution in https://github.com/microsoft/testfx/pull/5281
• @​bjornhellander made their first contribution in https://github.com/microsoft/testfx/pull/5300

See the MSTest changelog here: https://github.com/microsoft/testfx/blob/main/docs/Changelog.md#3.9.0
See the Microsoft.Testing.Platform changelog here: https://github.com/microsoft/testfx/blob/main/docs/Changelog-Platform.md#3.9.0

Full Changelog: microsoft/testfx@v3.8.3...v3.9.0

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), 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 these updates again.

---

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

---

This PR has been generated by Renovate Bot.