tools: enable no-nonoctal-decimal-escape lint rule

This rule is new in ESLint 7.14.0.

PR-URL: https://github.com/nodejs/node/pull/36217


Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Daijiro Wachi <daijiro.wachi@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>