Update CopyOnWrite (#580)

See microsoft/CopyOnWrite@d672703

Signed-off-by: stan-sz <37585349+stan-sz@users.noreply.github.com>

Author: stan-sz

Directory.Packages.props

@@ -8,7 +8,7 @@
     <MicrosoftBuildMinimumPackageVersion>16.11.0</MicrosoftBuildMinimumPackageVersion>
   </PropertyGroup>
   <ItemGroup>
-    <PackageVersion Include="CopyOnWrite" Version="0.3.11" Condition=" '$(TargetFramework)' != 'net46' " />
+    <PackageVersion Include="CopyOnWrite" Version="0.3.12" Condition=" '$(TargetFramework)' != 'net46' " />
     <PackageVersion Include="Microsoft.Build" Version="$(MicrosoftBuildPackageVersion)" />
     <PackageVersion Include="Microsoft.Build.Tasks.Core" Version="$(MicrosoftBuildPackageVersion)" />
     <PackageVersion Include="Microsoft.Win32.Registry" Version="5.0.0" />