Update dependency Microsoft.VisualStudio.Threading.Analyzers to 17.11.20 (#31)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

src/DotnetDispatcher.Generator/DotnetDispatcher.Generator.csproj

@@ -23,7 +23,7 @@
 			<PrivateAssets>all</PrivateAssets>
 			<IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
 		</PackageReference>
-		<PackageReference Update="Microsoft.VisualStudio.Threading.Analyzers" Version="17.7.30">
+		<PackageReference Update="Microsoft.VisualStudio.Threading.Analyzers" Version="17.11.20">
 			<PrivateAssets>all</PrivateAssets>
 			<IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
 		</PackageReference>