drop Node 18 from CI matrix

Author: stklcode

.github/workflows/nodejs.yml

@@ -9,7 +9,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [18, 20, 24]
+        node-version: [20, 22, 24]
 
     steps:
     - uses: actions/checkout@v5