chore(deps): update actions/upload-artifact action to v4

Author: pactflow-renovate-bot[bot]

.github/workflows/playwright.yml

@@ -18,7 +18,7 @@ jobs:
       run: npx playwright install --with-deps
     - name: Run Playwright tests
       run: npx playwright test
-    - uses: actions/upload-artifact@v2
+    - uses: actions/upload-artifact@65c4c4a1ddee5b72f698fdd19549f0f0fb45cf08 # v4
       if: always()
       with:
         name: playwright-report