Fix reference

Author: igoravl

CSharp/TfsCmdlets.Legacy/TfsCmdlets.Legacy.csproj

@@ -24,7 +24,7 @@
     <PackageReference Include="Microsoft.VisualStudio.Services.Search.Client" Version="16.*-*" />
     <PackageReference Include="Microsoft.VisualStudio.Services.ServiceEndpoints.WebApi" Version="16.*-*" />
     <PackageReference Include="Microsoft.VisualStudio.Services.ServiceHooks.WebApi" Version="16.*-*" />
-    <PackageReference Include="PowerShellStandard.Library" Version=".*" PrivateAssets="all" />
+    <PackageReference Include="PowerShellStandard.Library" Version="5.*" PrivateAssets="all" />
     <PackageReference Include="System.IO.Compression.ZipFile" Version="4.3.0" />
     <PackageReference Include="System.Composition" Version="5.0.1" />
     <PackageReference Include="System.Composition.Hosting" Version="5.0.1" />