Fix path to TarTool in Sign.proj (#15299)

Author: ViktorHofer

src/Microsoft.DotNet.Arcade.Sdk/tools/Sign.proj

@@ -80,6 +80,7 @@
       <_DotNetCorePath>$(DotNetTool)</_DotNetCorePath>
     </PropertyGroup>
 
+    <!-- Keep TarToolPath TFM in sync with TarTool project TFM. -->
     <Microsoft.DotNet.SignTool.SignToolTask
         DryRun="$(_DryRun)"
         TestSign="$(_TestSign)"
@@ -97,7 +98,7 @@
         SNBinaryPath="$(SNBinaryPath)"
         MicroBuildCorePath="$(NuGetPackageRoot)microbuild.core\$(MicroBuildCoreVersion)"
         WixToolsPath="$(WixInstallPath)"
-        TarToolPath="$(NuGetPackageRoot)microsoft.dotnet.tar\$(MicrosoftDotNetSignToolVersion)\tools\net\any\Microsoft.Dotnet.Tar.dll"
+        TarToolPath="$(NuGetPackageRoot)microsoft.dotnet.tar\$(MicrosoftDotNetSignToolVersion)\tools\net9.0\any\Microsoft.Dotnet.Tar.dll"
         RepackParallelism="$(SignToolRepackParallelism)"
         MaximumParallelFileSize="$(SignToolRepackMaximumParallelFileSize)" />
   </Target>