Fix: Remove pnpm version conflict in GitHub Actions

Remove explicit version specification from workflow to avoid conflict with packageManager field in package.json

Author: d-oit

.github/workflows/playwright.yml

@@ -17,11 +17,9 @@ jobs:
       BASE_URL_TESTING: ${{ vars.BASE_URL_TESTING }}
       REUSE_SERVER: 'true'
     steps:
-      - uses: actions/checkout@v3
-      - uses: pnpm/action-setup@v4
-        with:
-          version: 10
-      - uses: actions/setup-node@v3
+      - uses: actions/checkout@v4
+      - uses: pnpm/action-setup@v4.0.0
+      - uses: actions/setup-node@v4
         with:
           cache: 'pnpm'
       - name: Install dependencies