message: Updated Newtonsoft.Json to 13.0.1
diff: <DefineConstants>$(DefineConstants);UNSAFE_BYTEBUFFER</DefineConstants>
  </PropertyGroup>
  <ItemGroup>
  - <PackageReference Include="Newtonsoft.Json">
  - <Version>12.0.3</Version>
  - </PackageReference>
  + <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
  </ItemGroup>
  <ItemGroup>
  - <Reference Include="Newtonsoft.Json, Version=12.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
  - <HintPath>packages\Newtonsoft.Json.12.0.3\lib\net35\Newtonsoft.Json.dll</HintPath>
  - </Reference>
  <Reference Include="System" />
  <Reference Include="System.Core">
  </Reference>
  