Bump Microsoft.VisualStudio.Threading.Analyzers from 17.8.14 to 17.9.…

…28 in /webapi (#796)

Bumps
[Microsoft.VisualStudio.Threading.Analyzers](https://github.com/microsoft/vs-threading)
from 17.8.14 to 17.9.28.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a
href="https://github.com/microsoft/vs-threading/releases">Microsoft.VisualStudio.Threading.Analyzers's
releases</a>.</em></p>
<blockquote>
<h2>v17.9.1-alpha</h2>
<p>No notable changes besides the version number.</p>
<p><strong>Full Changelog</strong>: <a
href="https://github.com/microsoft/vs-threading/compare/v17.8.14...v17.9.1-alpha">https://github.com/microsoft/vs-threading/compare/v17.8.14...v17.9.1-alpha</a></p>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li>See full diff in <a
href="https://github.com/microsoft/vs-threading/commits">compare
view</a></li>
</ul>
</details>
<br />


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Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

webapi/CopilotChatWebApi.csproj

@@ -52,7 +52,7 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
 
-    <PackageReference Include="Microsoft.VisualStudio.Threading.Analyzers" Version="17.8.14">
+    <PackageReference Include="Microsoft.VisualStudio.Threading.Analyzers" Version="17.9.28">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>