chore(deps): update dependency sonaranalyzer.csharp to 10.21.0.135717

Author: renovate[bot]

Directory.Packages.props

@@ -11,7 +11,7 @@
     <GlobalPackageReference Include="Microsoft.SourceLink.GitHub" Version="10.0.102" />
     <GlobalPackageReference Include="Microsoft.VisualStudio.Threading.Analyzers" Version="17.14.15" />
     <GlobalPackageReference Include="NetEvolve.Defaults" Version="1.5.93" />
-    <GlobalPackageReference Include="SonarAnalyzer.CSharp" Version="10.19.0.132793" />
+    <GlobalPackageReference Include="SonarAnalyzer.CSharp" Version="10.21.0.135717" />
   </ItemGroup>
   <ItemGroup>
     <PackageVersion Include="Microsoft.Testing.Extensions.CodeCoverage" Version="18.4.1" />