Update SOS command docs with newly supported Linux/MacOS commands #3395
Description
Update the following docs with the new SOS commands supported now on Linux/MacOS lldb and dotnet-dump.
https://learn.microsoft.com/en-us/dotnet/core/diagnostics/sos-debugging-extension
https://github.com/dotnet/diagnostics/blob/main/documentation/sos-debugging-extension.md
https://github.com/dotnet/diagnostics/blob/main/documentation/sos-debugging-extension-windows.md