Do not lint node_modules (#7689)

Running npm ci with npm 8.x installs dependencies in plugins/eslint/node_modules, which chokes the linter.

Author: dgirardi

gulpfile.js

@@ -76,6 +76,7 @@ function lint(done) {
     'modules/**/*.js',
     'test/**/*.js',
     'plugins/**/*.js',
+    '!plugins/**/node_modules/**',
     './*.js'
   ], { base: './' })
     .pipe(gulpif(argv.nolintfix, eslint(), eslint({ fix: true })))