fix: build

Author: Péter Komlósi

.github/workflows/push.yaml

@@ -16,7 +16,7 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v2
         with:
-          node-version: '16'
+          node-version: '20'
       - name: Install dependencies
         run: npm install
       - name: Build