chore: Update node to v18.20.3 in GA (#133)

Author: zobo

.github/workflows/ci.yml

@@ -15,7 +15,7 @@ jobs:
       - name: Install Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: '16.14.2'
+          node-version: 'v18.20.3'
       - run: mkdir artifacts
       - run: npm ci
       - name: Prettier

.github/workflows/release.yml

@@ -13,7 +13,7 @@ jobs:
       - name: Install Node.js
         uses: actions/setup-node@v4
         with:
-          node-version: '16.14.2'
+          node-version: 'v18.20.3'
       - run: npm ci
       - name: Download Phpactor
         run: npm run download-phpactor