CA1816 in NamedPipeClient.Dispose() #18338
Description
In PowerShell-CI-linux: https://dev.azure.com/powershell/PowerShell/_build/results?buildId=111689&view=logs&j=8579d1dd-da9d-5760-afc4-fb4c05cf5d6d&t=236f801b-8fac-50c5-f817-425a182daa54&l=6000
/home/vsts/work/1/s/test/tools/NamedPipeConnection/src/code/NamedPipeConnection.cs(61,13): warning CA1816: NamedPipeClient.Dispose() calls GC.SuppressFinalize(object), a method that is typically only called within an implementation of 'IDisposable.Dispose'. Refer to the IDisposable pattern for more information. [/home/vsts/work/1/s/test/tools/NamedPipeConnection/src/code/Microsoft.PowerShell.NamedPipeConnection.csproj::TargetFramework=net7.0]
cc: @PaulHigin