Need to update the extensions package for use within Labs DataTable PR

Author: michael-hawker

ProjectHeads/Tests.Head.props

@@ -21,7 +21,7 @@
   <Choose>
     <When Condition="'$(ToolkitExtensionSourceProject)' == ''">
       <ItemGroup>
-        <PackageReference Include="CommunityToolkit.$(DependencyVariant).Extensions" Version="8.0.0-beta.1"/>
+        <PackageReference Include="CommunityToolkit.$(DependencyVariant).Extensions" Version="8.0.0-beta.2"/>
       </ItemGroup>
     </When>
     <Otherwise>