Pull request 1982: eslint-node-version

Squashed commit of the following:

commit f48a92c6240cdd88905f396e08a4bc5fac01b97f
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Wed Aug 30 13:29:07 2023 +0300

    .github: set node version

.github/workflows/lint.yml

@@ -2,6 +2,8 @@
 
 'env':
   'GO_VERSION': '1.20.7'
+  # TODO(a.garipov, ik): Update to the latest ESR.
+  'NODE_VERSION': '14'
 
 'on':
   'push':
@@ -28,6 +30,10 @@
     'runs-on': 'ubuntu-latest'
     'steps':
     - 'uses': 'actions/checkout@v2'
+    - 'name': 'Set up Node'
+      'uses': 'actions/setup-node@v1'
+      'with':
+        'node-version': '${{ env.NODE_VERSION }}'
     - 'name': 'Install modules'
       'run': 'npm --prefix="./client" ci'
     - 'name': 'Run ESLint'