chore(deps): bump Microsoft.Extensions.Configuration.FileExtensions

Bumps [Microsoft.Extensions.Configuration.FileExtensions](https://github.com/dotnet/runtime) from 3.1.20 to 6.0.0.
- [Release notes](https://github.com/dotnet/runtime/releases)
- [Commits](https://github.com/dotnet/runtime/commits/v6.0.0)

---
updated-dependencies:
- dependency-name: Microsoft.Extensions.Configuration.FileExtensions
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Client.Examples/Client.Examples.csproj

@@ -11,7 +11,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Extensions.Configuration.FileExtensions" Version="3.1.20" />
+    <PackageReference Include="Microsoft.Extensions.Configuration.FileExtensions" Version="6.0.0" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="5.0.2" />
     <PackageReference Include="Microsoft.Extensions.Logging" Version="3.1.19" />
     <PackageReference Include="Newtonsoft.Json" version="13.0.1" />