Bump Microsoft.Extensions.Configuration.Json in /user-auth/GraphTutorial

Bumps [Microsoft.Extensions.Configuration.Json](https://github.com/dotnet/runtime) from 8.0.1 to 9.0.0.
- [Release notes](https://github.com/dotnet/runtime/releases)
- [Commits](dotnet/runtime@v8.0.1...v9.0.0)

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

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

user-auth/GraphTutorial/GraphTutorial.csproj

@@ -17,7 +17,7 @@
   <ItemGroup>
     <PackageReference Include="Azure.Identity" Version="1.13.1" />
     <PackageReference Include="Microsoft.Extensions.Configuration.Binder" Version="8.0.2" />
-    <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="8.0.1" />
+    <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="9.0.0" />
     <PackageReference Include="Microsoft.Extensions.Configuration.UserSecrets" Version="8.0.1" />
     <PackageReference Include="Microsoft.Graph" Version="5.63.0" />
   </ItemGroup>