tools: pass bot token to node-pr-labeler

This should allow workflows that use the `labeled` event to be run.

PR-URL: https://github.com/nodejs/node/pull/39271


Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Jiawen Geng <technicalcute@gmail.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>