upgrade to node 22

Author: Kylejeong2

.github/workflows/ci.yml

@@ -1,4 +1,4 @@
-name: CI/CD Pipeline
+name: CI
 
 on:
   pull_request:
@@ -18,7 +18,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: '18'
+          node-version: '22'
           cache: 'npm'
 
       - name: Install dependencies