build: only use current versions of Node.js

Author: thorsten

.github/workflows/nodejs.yml

@@ -8,7 +8,7 @@ jobs:
 
         strategy:
             matrix:
-                node-version: [18.x, 20.x, 22.x]
+                node-version: [20.x, 22.x, 24.x]
 
         steps:
             - uses: actions/checkout@v4