Request new `github-bot` token for `nodejs/node`

[mmarchini]

Request permission to add another github-bot token on nodejs/node (ref https://github.com/nodejs/node/pull/34739#issuecomment-672298800). I think it only needs the following permissions:

Requesting a separate token as it provides more granularity over the permissions of each Action. If folks think we should just have a Token with umbrella read-only permissions it works for me too.

[mcollina]

sgtm

[mhdawson]

+1

[bnb]

+1