Restore the step to install browsers

.github/workflows/playwright.yml

@@ -19,6 +19,8 @@ jobs:
       run: npm install -g pnpm && pnpm install
     - name: Build the service that will be tested
       run: npm run build
+    - name: Install Playwright Browsers
+      run: pnpm exec playwright install --with-deps
     - name: Run the service that will be tested
       run: npm run start &
     - name: Run Playwright tests