upgrade Newtonsoft.Json 13.0.4 · ikpil/DotRecast@8da67cb

Build: src/DotRecast.Recast.Demo/Tools/CrowdSampleTool.cs#L59

The field 'CrowdSampleTool._showLabels' is assigned but its value is never used

Build: src/DotRecast.Recast.Demo/Tools/CrowdSampleTool.cs#L58

The field 'CrowdSampleTool._expandDebugDraw' is assigned but its value is never used

Build: src/DotRecast.Recast.Demo/Tools/TestNavmeshSampleTool.cs#L66

The field 'TestNavmeshSampleTool.m_nparent' is never used

Build: src/DotRecast.Recast.Demo/RecastDemo.cs#L88

The field 'RecastDemo.movedDuringPan' is assigned but its value is never used

Build: src/DotRecast.Recast.Demo/Tools/CrowdSampleTool.cs#L62

The field 'CrowdSampleTool._showPerfGraph' is assigned but its value is never used

Build: src/DotRecast.Recast.Demo/RecastDemo.cs#L112

The field 'RecastDemo.markerPositionSet' is assigned but its value is never used

Build: src/DotRecast.Recast.Demo/Tools/CrowdSampleTool.cs#L50