async_wrap: add provider types for net server

Adds `TCPSERVERWRAP` and `PIPESERVERWRAP` as provider types. This
makes it possible to distinguish servers from connections.

PR-URL: https://github.com/nodejs/node/pull/17157


Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>