Update dependency Microsoft.VisualStudio.Threading.Analyzers to v17.6.40

Author: renovate[bot]

Directory.Build.props

@@ -24,7 +24,7 @@
   </PropertyGroup>
 
   <ItemGroup Label="Package References">
-    <PackageReference Include="Microsoft.VisualStudio.Threading.Analyzers" PrivateAssets="All" Version="17.5.22" />
+    <PackageReference Include="Microsoft.VisualStudio.Threading.Analyzers" PrivateAssets="All" Version="17.6.40" />
     <PackageReference Include="MinVer" PrivateAssets="All" Version="4.3.0" />
     <PackageReference Include="StyleCop.Analyzers" PrivateAssets="All" Version="1.2.0-beta.435" />
   </ItemGroup>