Bump Microsoft.AspNetCore.Mvc.NewtonsoftJson from 3.1.0 to 3.1.8

Bumps [Microsoft.AspNetCore.Mvc.NewtonsoftJson](https://github.com/aspnet/AspNetCore) from 3.1.0 to 3.1.8.
- [Release notes](https://github.com/aspnet/AspNetCore/releases)
- [Commits](dotnet/aspnetcore@v3.1.0...v3.1.8)

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

Author: dependabot-preview[bot]

GameService.API/GameService.API.csproj

@@ -10,7 +10,7 @@
 
     <ItemGroup>
       <PackageReference Include="Microsoft.AspNetCore.Connections.Abstractions" Version="3.1.1" />
-      <PackageReference Include="Microsoft.AspNetCore.Mvc.NewtonsoftJson" Version="3.1.0" />
+      <PackageReference Include="Microsoft.AspNetCore.Mvc.NewtonsoftJson" Version="3.1.8" />
       <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
       <PackageReference Include="Serilog" Version="2.10.0" />
       <PackageReference Include="Serilog.AspNetCore" Version="3.2.0" />