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

This rule is new in ESLint 7.14.0.

PR-URL: #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>

.eslintrc.js

@@ -162,6 +162,7 @@ module.exports = {
     'no-multiple-empty-lines': ['error', { max: 2, maxEOF: 0, maxBOF: 0 }],
     'no-new-require': 'error',
     'no-new-symbol': 'error',
+    'no-nonoctal-decimal-escape': 'error',
     'no-obj-calls': 'error',
     'no-octal': 'error',
     'no-path-concat': 'error',