Update msi.csproj

Author: mmitche

src/Microsoft.DotNet.Build.Tasks.Workloads/src/Misc/msi.csproj

@@ -20,7 +20,7 @@
     <PackageType>DotnetPlatform</PackageType>
     <PackageVersion>__PACKAGE_VERSION__</PackageVersion>
     <SuppressDependenciesWhenPacking>true</SuppressDependenciesWhenPacking>
-    <TargetFramework>net9.0</TargetFramework>
+    <TargetFramework>$(NetToolCurrent)</TargetFramework>
   </PropertyGroup>
 
   <ItemGroup>