Upgrade GitHub Actions checkout

https://github.com/actions/checkout/releases

Author: cclauss

.github/workflows/test.yml

@@ -22,7 +22,7 @@ jobs:
     runs-on: macos-11
     if: github.repository == 'seleniumhq/selenium-ide'
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-node@v3
         with:
           node-version: '20.x'