upgrade node version

Author: sprocketc

.github/workflows/playwright.yml

@@ -8,7 +8,7 @@ jobs:
     - uses: actions/checkout@v4
     - uses: actions/setup-node@v4
       with:
-        node-version: 18
+        node-version: 20
     - name: Install dependencies
       run: npm ci
     - name: Install Playwright Browsers

.github/workflows/studio.yml

@@ -23,7 +23,7 @@ jobs:
       - name: Install Node.js, NPM and Yarn
         uses: actions/setup-node@v4
         with:
-          node-version: 18
+          node-version: 20
 
       - name: Prepare java
         uses: actions/setup-java@v4