Update GitHub Actions to use upload-artifact@v4

Author: anchapin

.github/workflows/playwright.yml

@@ -40,7 +40,7 @@ jobs:
           run: |
             npm run test:parallel
             npm run test:serial
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         if: always()
         with:
           name: reports