Merge branch 'develop' of tig:gui-cs/Terminal.Gui into v1_contributing

UICatalog/UICatalog.csproj

@@ -22,7 +22,7 @@
   <None Update="./Scenarios/Spinning_globe_dark_small.gif" CopyToOutputDirectory="PreserveNewest" />
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="SixLabors.ImageSharp" Version="2.1.3" />
+    <PackageReference Include="SixLabors.ImageSharp" Version="3.0.0" />
     <PackageReference Include="CsvHelper" Version="30.0.1" />
     <PackageReference Include="Microsoft.DotNet.PlatformAbstractions" Version="3.1.6" />
   </ItemGroup>