Bump Microsoft.VisualStudio.Threading.Analyzers from 17.8.14 to 17.9.28

Bumps [Microsoft.VisualStudio.Threading.Analyzers](https://github.com/microsoft/vs-threading) from 17.8.14 to 17.9.28.
- [Release notes](https://github.com/microsoft/vs-threading/releases)
- [Commits](https://github.com/microsoft/vs-threading/commits)

---
updated-dependencies:
- dependency-name: Microsoft.VisualStudio.Threading.Analyzers
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

Gu.Wpf.Geometry.UiTests/Gu.Wpf.Geometry.UiTests.csproj

@@ -26,7 +26,7 @@
     <PackageReference Include="Gu.Wpf.UiAutomation" Version="0.4.1" />
     <PackageReference Include="IDisposableAnalyzers" Version="4.0.7" PrivateAssets="all" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.9.0" />
-    <PackageReference Include="Microsoft.VisualStudio.Threading.Analyzers" Version="17.8.14" PrivateAssets="all" />
+    <PackageReference Include="Microsoft.VisualStudio.Threading.Analyzers" Version="17.9.28" PrivateAssets="all" />
     <PackageReference Include="NUnit" Version="3.14.0" />
     <PackageReference Include="NUnit3TestAdapter" Version="4.5.0" />
     <PackageReference Include="PropertyChangedAnalyzers" Version="4.0.0" PrivateAssets="all" />