ci: update Node.js test versions to 20, 22, 24

Drop Node.js 18 as it reaches EOL in April 2025. Test with currently supported LTS versions (20, 22) and latest stable (24).

Author: amondnet

.github/workflows/test-install-scripts.yml

@@ -52,7 +52,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        node-version: ['18', '20', '22']
+        node-version: ['20', '22', '24']
     steps:
       - name: Checkout code
         uses: actions/checkout@v4