doc: update http doc for new Agent()/support options in socket.connect()

For new Agent() signature in http doc, list the supported options in
socket.connect().

Refs: https://github.com/nodejs/node/issues/24098

PR-URL: https://github.com/nodejs/node/pull/24846


Reviewed-By: Vse Mozhet Byt <vsemozhetbyt@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>