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

Author: renovate[bot]

.github/workflows/frontend-ci.yml

@@ -35,7 +35,7 @@ jobs:
         run: npx playwright install --with-deps
       - name: Run Playwright tests
         run: npx playwright test
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         if: always()
         with:
           name: playwright-report