Update dependency Microsoft.VisualStudio.Threading.Analyzers to 17.12.19

Author: renovate[bot]

Directory.Build.props

@@ -25,7 +25,7 @@
   </PropertyGroup>
 
   <ItemGroup Label="Package References">
-    <PackageReference Include="Microsoft.VisualStudio.Threading.Analyzers" PrivateAssets="All" Version="17.7.30" />
+    <PackageReference Include="Microsoft.VisualStudio.Threading.Analyzers" PrivateAssets="All" Version="17.12.19" />
     <PackageReference Include="MinVer" PrivateAssets="All" Version="4.3.0" />
     <PackageReference Include="StyleCop.Analyzers" PrivateAssets="All" Version="1.2.0-beta.507" />
   </ItemGroup>