Merge pull request #50 from serilog/dependabot/nuget/test/Serilog.Settings.AppSettings.Tests/Newtonsoft.Json-13.0.1

Bump Newtonsoft.Json from 9.0.1 to 13.0.1 in /test/Serilog.Settings.AppSettings.Tests

Author: nblumhardt

test/Serilog.Settings.AppSettings.Tests/Serilog.Settings.AppSettings.Tests.csproj

@@ -14,7 +14,7 @@
     <PackageReference Include="xunit" Version="2.3.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.3.1" />
     <DotNetCliToolReference Include="dotnet-xunit" Version="2.3.1" />
-    <PackageReference Include="Newtonsoft.Json" Version="9.0.1" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
     <PackageReference Include="Serilog.Sinks.TextWriter" Version="2.0.0" />
     <PackageReference Include="Serilog.Sinks.RollingFile" Version="3.1.0" />
     <PackageReference Include="Serilog.Sinks.PeriodicBatching" Version="2.0.0" />