coverlet 2.5.1

Ix.NET/Source/Directory.build.props

@@ -26,7 +26,7 @@
   </ItemGroup>
 
   <ItemGroup Condition="'$(IsTestProject)' == 'true'">
-    <PackageReference Include="coverlet.msbuild" Version="2.6.0" />
+    <PackageReference Include="coverlet.msbuild" Version="2.5.1" />
   </ItemGroup>
 
   <Target Name="AddCommitHashToAssemblyAttributes" BeforeTargets="GetAssemblyAttributes">