docs: revise events and subscribers #33758

Job	Run time
setup	2m 11s
integration-tests-packages	12m 49s
Shard (0) HTTP Integration Tests	12m 1s
Shard (0) Module Integration Tests	10m 42s
Shard (1) HTTP Integration Tests	8m 47s
Shard (1) Module Integration Tests	9m 27s
Shard (0) Unit Tests	8m 37s
Shard (1) Unit Tests	5m 11s
unit-tests	1s
integration-tests-modules	1s
integration-tests-http	1s
	1h 9m 48s

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