refactor(playwright.yml): setup with yarn

.github/workflows/playwright.yml

@@ -1,24 +1,27 @@
 name: Playwright Tests
 on:
   push:
-    branches: [ main, master ]
+    branches: [ main ]
   pull_request:
-    branches: [ main, master ]
+    branches: [ main ]
 jobs:
   test:
     timeout-minutes: 60
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v4
-    - uses: actions/setup-node@v4
+    - name: Setup Node v20
+      uses: actions/setup-node@v4
       with:
-        node-version: lts/*
+        node-version: '20'
+    - name: Enable Corepack
+      run: corepack enable
     - name: Install dependencies
-      run: npm ci
+      run: yarn install --immutable
     - name: Install Playwright Browsers
-      run: npx playwright install --with-deps
+      run: yarn playwright install --with-deps
     - name: Run Playwright tests
-      run: npx playwright test
+      run: yarn test
     - uses: actions/upload-artifact@v4
       if: always()
       with: