chore: use node 20 in CI

Author: wazolab

.github/workflows/main.yml

@@ -16,7 +16,7 @@ jobs:
       - name: Use Node 20
         uses: actions/setup-node@v4
         with:
-          node-version: 18.x
+          node-version: 20
           cache: yarn
 
       - name: Install dependencies

.github/workflows/npm-publish.yaml

@@ -11,7 +11,7 @@ jobs:
       - run: corepack enable
       - uses: actions/setup-node@v4
         with:
-          node-version: 18
+          node-version: 20
       - run: yarn install
       - run: yarn build
       - uses: JS-DevTools/npm-publish@v1