doc: document http.IncomingMessage behaviour change

Add to the history table that the `destroyed` value returns `true` after
the incoming data is consumed.

Refs: https://github.com/nodejs/node/issues/36617
Refs: https://github.com/nodejs/node/pull/33035

PR-URL: https://github.com/nodejs/node/pull/36641


Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: Robert Nagy <ronagy@icloud.com>