Enable conditionally skipping the Mac Catalyst target

Author: TolikPylypchuk

Directory.Build.props

@@ -9,10 +9,14 @@
   </PropertyGroup>
 
   <PropertyGroup>
-    <TargetFrameworks>net472;netstandard2.0;net8.0;net9.0;net9.0-maccatalyst;net10.0;net10.0-maccatalyst</TargetFrameworks>
+    <TargetFrameworks>net472;netstandard2.0;net8.0;net9.0;net10.0</TargetFrameworks>
     <Platforms>x86;x64;ARM32;ARM64;AnyCPU</Platforms>
   </PropertyGroup>
 
+  <PropertyGroup Condition="'$(SHARPHOOK_SKIP_MACCATALYST)' == '' Or '$(SHARPHOOK_SKIP_MACCATALYST)' == 'false'">
+    <TargetFrameworks>$(TargetFrameworks);net9.0-maccatalyst;net10.0-maccatalyst</TargetFrameworks>
+  </PropertyGroup>
+
   <PropertyGroup Condition="$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net7.0'))">
     <IsAotCompatible>true</IsAotCompatible>
   </PropertyGroup>