doc: update commit-queue.md to indicate GitHub Actions are checked

Refs: https://github.com/nodejs/node/pull/39384#issuecomment-881564491

PR-URL: https://github.com/nodejs/node/pull/39411


Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Richard Lau <rlau@redhat.com>
Reviewed-By: Michael Dawson <midawson@redhat.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>