Update node version

Author: mayank1513

.github/workflows/test.yml

@@ -15,7 +15,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
-          node-version: 18
+          node-version: 20
       - run: npm i -g pnpm && pnpm i
         name: Install dependencies
       - name: Run unit tests