🔧 refactor package references for netstandard2 compatibility

Author: gimlichael

Directory.Packages.props

@@ -7,11 +7,9 @@
     <PackageVersion Include="Cuemon.Core" Version="10.0.0-rc.1" />
     <PackageVersion Include="Cuemon.Extensions.AspNetCore" Version="10.0.0-rc.1" />
     <PackageVersion Include="Cuemon.Extensions.IO" Version="10.0.0-rc.1" />
-    <PackageVersion Include="Microsoft.Bcl.AsyncInterfaces" Version="10.0.0-rc.2.25502.107" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="18.0.0" />
     <PackageVersion Include="MinVer" Version="6.0.0" />
     <PackageVersion Include="NativeLibraryLoader" Version="1.0.13" />
-    <PackageVersion Include="System.Threading.Tasks.Extensions" Version="4.6.3" />
     <PackageVersion Include="Xunit.v3.Priority" Version="1.1.18" />
     <PackageVersion Include="coverlet.collector" Version="6.0.4" />
     <PackageVersion Include="coverlet.msbuild" Version="6.0.4" />
@@ -21,6 +19,10 @@
     <PackageVersion Include="xunit.v3.runner.console" Version="3.1.0" />
     <PackageVersion Include="xunit.runner.visualstudio" Version="3.1.5" />
   </ItemGroup>
+  <ItemGroup Condition="$(TargetFramework.StartsWith('netstandard2'))">
+    <PackageVersion Include="Microsoft.Bcl.AsyncInterfaces" Version="10.0.0-rc.2.25502.107" />
+    <PackageVersion Include="System.Threading.Tasks.Extensions" Version="4.6.3" />
+  </ItemGroup>
   <ItemGroup Condition="$(TargetFramework.StartsWith('net9'))">
     <PackageVersion Include="Microsoft.Extensions.Configuration" Version="9.0.10" />
     <PackageVersion Include="Microsoft.Extensions.Configuration.EnvironmentVariables" Version="9.0.10" />