update harfbuzz

build/HarfBuzzSharp.props

@@ -1,6 +1,6 @@
 <Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <ItemGroup>
-    <PackageReference Include="HarfBuzzSharp" Version="2.6.1.5" />
-    <PackageReference Condition="'$(IncludeLinuxSkia)' == 'true'" Include="HarfBuzzSharp.NativeAssets.Linux" Version="2.6.1.5" />
+    <PackageReference Include="HarfBuzzSharp" Version="2.6.1.6" />
+    <PackageReference Condition="'$(IncludeLinuxSkia)' == 'true'" Include="HarfBuzzSharp.NativeAssets.Linux" Version="2.6.1.6" />
   </ItemGroup>
 </Project>

samples/ControlCatalog.iOS/ControlCatalog.iOS.csproj

@@ -173,8 +173,10 @@
       <Project>{d0a739b9-3c68-4ba6-a328-41606954b6bd}</Project>
       <Name>ControlCatalog</Name>
     </ProjectReference>
+    <PackageReference Include="SkiaSharp.HarfBuzz" Version="2.80.2-preview.33" />
   </ItemGroup>
   <Import Project="$(MSBuildExtensionsPath)\Xamarin\iOS\Xamarin.iOS.CSharp.targets" />
   <Import Project="..\..\build\LegacyProject.targets" />
   <Import Project="..\..\build\SkiaSharp.props" />
+  <Import Project="..\..\build\HarfBuzzSharp.props" />
 </Project>