chore: update Node.js version to 22.x in CI workflow

Author: alaminfirdows

.github/workflows/npm.yml

@@ -18,7 +18,7 @@ jobs:
       - name: Setup Node
         uses: actions/setup-node@v4
         with:
-          node-version: '21.6'
+          node-version: '22.x'
 
       - name: Cache node_modules
         uses: actions/cache@v4