tools: add .mjs linting for Windows

PR-URL: nodejs#18569
Reviewed-By: Anna Henningsen <[email protected]>
Reviewed-By: Tiancheng "Timothy" Gu <[email protected]>
Reviewed-By: Anatoli Papirovski <[email protected]>

Author: vsemozhetbyt

vcbuild.bat

@@ -509,7 +509,7 @@ if defined lint_js_ci goto lint-js-ci
 if not defined lint_js goto exit
 if not exist tools\node_modules\eslint goto no-lint
 echo running lint-js
-%config%\node tools\node_modules\eslint\bin\eslint.js --cache --rule "linebreak-style: 0" --rulesdir=tools\eslint-rules --ext=.js,.md benchmark doc lib test tools
+%config%\node tools\node_modules\eslint\bin\eslint.js --cache --rule "linebreak-style: 0" --rulesdir=tools\eslint-rules --ext=.js,.mjs,.md benchmark doc lib test tools
 goto exit
 
 :lint-js-ci