remove node 18

Author: zhiyuanliang-ms

.github/workflows/ci.yml

@@ -18,7 +18,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [18.x, 20.x, 22.x, 24.x]
+        node-version: [20.x, 22.x, 24.x]
 
     defaults:
       run: