Update PolygonClipper to 1.0.2 for Licensing 1.0.3 compatibility

Author: JimBobSquarePants

src/ImageSharp.Drawing/ImageSharp.Drawing.csproj

@@ -46,7 +46,7 @@
   <ItemGroup>
     <PackageReference Include="SixLabors.Fonts" Version="3.2.0" />
     <PackageReference Include="SixLabors.ImageSharp" Version="4.1.3" />
-    <PackageReference Include="SixLabors.PolygonClipper" Version="1.0.1" />
+    <PackageReference Include="SixLabors.PolygonClipper" Version="1.0.2" />
   </ItemGroup>
 
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