Bump SonarAnalyzer.CSharp from 10.20.0.135146 to 10.21.0.135717

---
updated-dependencies:
- dependency-name: SonarAnalyzer.CSharp
  dependency-version: 10.21.0.135717
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

YAFNET.LanguageManager/YAFNET.LanguageManager/YAFNET.LanguageManager.csproj

@@ -11,7 +11,7 @@
 
   <ItemGroup>
     <PackageReference Include="Newtonsoft.Json" Version="13.0.4" />
-    <PackageReference Include="SonarAnalyzer.CSharp" Version="10.20.0.135146">
+    <PackageReference Include="SonarAnalyzer.CSharp" Version="10.21.0.135717">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>