Bump Newtonsoft.Json from 12.0.3 to 13.0.2 in /test/Microsoft.OpenApi.Readers.Tests#4

dependabot[bot] wants to merge 1 commit intovnextDuikmeester/OpenAPI.NET:vnextfrom

dependabot/nuget/test/Microsoft.OpenApi.Readers.Tests/Newtonsoft.Json-13.0.2Duikmeester/OpenAPI.NET:dependabot/nuget/test/Microsoft.OpenApi.Readers.Tests/Newtonsoft.Json-13.0.2Copy head branch name to clipboard