update coverage CI to node 24

Author: dynst

.github/workflows/coverage.yml

@@ -16,7 +16,7 @@ jobs:
       - name: Use Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: 20
+          node-version: 24
           cache: 'yarn'
 
       - name: Start wasmd