timers: allow timers to be used as primitives

This allows timers to be matched to numeric Ids and therefore used
as keys of an Object, passed and stored without storing the Timer instance.

clearTimeout/clearInterval is modified to support numeric/string Ids.

Co-authored-by: Bradley Farias <bradley.meck@gmail.com>
Co-authored-by: Anatoli Papirovski <apapirovski@mac.com>

Refs: https://github.com/nodejs/node/pull/21152

PR-URL: https://github.com/nodejs/node/pull/34017


Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Bradley Farias <bradley.meck@gmail.com>
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: Yongsheng Zhang <zyszys98@gmail.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>