doc: clarify async caveats for `events.once()` #55792

Triggered via pull request January 28, 2026 23:56

opened #61572

Status Success

Total duration 1m 34s

Artifacts 1

doc.yml

on: pull_request

Produced during runtime

Name	Size	Digest
docs Expired	5.6 MB	`sha256:6b7c04ca473df361702af9c9994890b79e994ada49b33681cf98f1f1d6f2145f`