doc: note that linting is required in releases.md

Refs: https://github.com/nodejs/node/pull/18769

PR-URL: https://github.com/nodejs/node/pull/18776
Refs: https://github.com/nodejs/node/pull/18769


Reviewed-By: Matheus Marchini <matheus@sthima.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: James M Snell <jasnell@gmail.com>