doc: make linter happy

This was not caught by the linter because the release commit
for 6.13.0 came from a different branch, where we don’t apply it
like we do on the main branch.

Example failure: https://ci.nodejs.org/job/node-test-linter/16132/console

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


Reviewed-By: Matheus Marchini <matheus@sthima.com>