chore(deps): update actions/upload-artifact action to v6

Author: renovate[bot]

.github/workflows/playwright.yml

@@ -26,7 +26,7 @@ jobs:
         run: moon run vue-recaptcha:test-e2e
       - name: Run unit tests
         run: moon run :test-unit
-      - uses: actions/upload-artifact@v5
+      - uses: actions/upload-artifact@v6
         if: always()
         with:
           name: playwright-report