Bump System.Text.Json from 8.0.4 to 8.0.5 in /Source/Riviera.Kavenegar

Bumps [System.Text.Json](https://github.com/dotnet/runtime) from 8.0.4 to 8.0.5.
- [Release notes](https://github.com/dotnet/runtime/releases)
- [Commits](dotnet/runtime@v8.0.4...v8.0.5)

---
updated-dependencies:
- dependency-name: System.Text.Json
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Source/Riviera.Kavenegar/Riviera.Kavenegar.csproj

@@ -60,7 +60,7 @@
     </ItemGroup>
 
     <ItemGroup Condition="'$(TargetFramework)' == 'netstandard2.0'">
-        <PackageReference Include="System.Text.Json" Version="8.0.4" />
+        <PackageReference Include="System.Text.Json" Version="8.0.5" />
         <PackageReference Include="Microsoft.Extensions.Options" Version="5.0.0" />
     </ItemGroup>