tools: update ESLint to 7.1.0

Update ESLint to 7.1.0

PR-URL: https://github.com/nodejs/node/pull/33526


Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Anto Aravinth <anto.aravinth.cse@gmail.com>
Reviewed-By: Zeyu Yang <himself65@outlook.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>