Set engines.node to 14+ (#17777)

* Set engines.node

* Add setup-node to browser-test workflow

* Updoot ianwalter/puppeteer-container

Author: JasonEtco

.github/allowed-actions.js

@@ -19,7 +19,7 @@ module.exports = [
   'fkirc/skip-duplicate-actions@36feb0d8d062137530c2e00bd278d138fe191289',
   'github/codeql-action/analyze@v1',
   'github/codeql-action/init@v1',
-  'ianwalter/puppeteer@12728ddef82390d1ecd4732fb543f62177392fbb',
+  'ianwalter/puppeteer-container@2466ba8ecf689ccf4e5dfadeff3ac2db227b2e17',
   'juliangruber/approve-pull-request-action@c530832d4d346c597332e20e03605aa94fa150a8',
   'juliangruber/find-pull-request-action@2fc55e82a6d5d36fe1e7f1848f7e64fd02d99de9',
   'juliangruber/read-file-action@e0a316da496006ffd19142f0fd594a1783f3b512',

.github/workflows/browser-test.yml

@@ -31,14 +31,20 @@ jobs:
         name: Checkout
         uses: actions/checkout@5a4ac9002d0be2fb38bd78e4b4dbde5606d7042f
 
+      - if: ${{ needs.see_if_should_skip.outputs.should_skip != 'true' }}
+        name: Setup Node
+        uses: actions/setup-node@c46424eee26de4078d34105d3de3cc4992202b1e
+        with:
+          node-version: 14.x
+
       - if: ${{ needs.see_if_should_skip.outputs.should_skip != 'true' }}
         name: Install
-        uses: ianwalter/puppeteer@12728ddef82390d1ecd4732fb543f62177392fbb
+        uses: ianwalter/puppeteer-container@2466ba8ecf689ccf4e5dfadeff3ac2db227b2e17
         with:
           args: npm ci
 
       - if: ${{ needs.see_if_should_skip.outputs.should_skip != 'true' }}
         name: Test
-        uses: ianwalter/puppeteer@12728ddef82390d1ecd4732fb543f62177392fbb
+        uses: ianwalter/puppeteer-container@2466ba8ecf689ccf4e5dfadeff3ac2db227b2e17
         with:
           args: npm run browser-test

package.json

@@ -190,7 +190,7 @@
     "heroku-postbuild": "node script/early-access/clone-for-build.js && npm run build"
   },
   "engines": {
-    "node": "12 - 14"
+    "node": ">= 14.0.0"
   },
   "repository": "https://github.com/github/docs",
   "husky": {