The connection interval should close when httpsServer.close is called
similarly to how it gets cleared when httpServer.close is called.
fixes: https://github.com/nodejs/node/issues/48373
PR-URL: https://github.com/nodejs/node/pull/48383
Reviewed-By: Moshe Atlow <moshe@atlow.co.il>
Reviewed-By: Paolo Insogna <paolo@cowtech.it>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Marco Ippolito <marcoippolito54@gmail.com>
Reviewed-By: Minwoo Jung <nodecorelab@gmail.com>
