update CI to Node v24

Author: mourner

.github/workflows/node.yml

@@ -4,10 +4,10 @@ jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
-    - uses: actions/setup-node@v2
+    - uses: actions/checkout@v6
+    - uses: actions/setup-node@v6
       with:
-        node-version: '18'
+        node-version: 24
 
     - name: Install dependencies
       run: npm install