http: fix event listener leak

Fixes: https://github.com/nodejs/node/issues/29239
PR-URL: https://github.com/nodejs/node/pull/29245


Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>