chore(deps): update dependency microsoft.powershell.commands.utility to 7.6.0-preview.6

Author: renovate[bot]

src/Compiler/Compiler.csproj

@@ -106,7 +106,7 @@
     <!-- PowerShell Deps -->
     <PackageReference Include="System.Management.Automation" Version="7.6.0-preview.3" />
     <PackageReference Include="Microsoft.PowerShell.ConsoleHost" Version="7.6.0-preview.3" />
-    <PackageReference Include="Microsoft.PowerShell.Commands.Utility" Version="7.6.0-preview.3" />
+    <PackageReference Include="Microsoft.PowerShell.Commands.Utility" Version="7.6.0-preview.6" />
     <PackageReference Include="Microsoft.PowerShell.Commands.Diagnostics" Version="7.6.0-preview.3" />
     <PackageReference Include="Microsoft.PowerShell.Commands.Management" Version="7.6.0-preview.3" />
     <PackageReference Include="Microsoft.WSMan.Management" Version="7.6.0-preview.3" />