ci: update NodeJS versions tested

Maintenance LTS, Active LTS, and Current

Author: eventualbuddha

.github/workflows/ci.yml

@@ -8,7 +8,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [18.x]
+        node-version: [20.x, 22.x, 24.x]
 
     env:
       CI: true