Merge pull request #2435 from vektor-inc/fix/playwright/update-artifa…

…ct-v4

playwrightのテストが通らなくなってたので update-artifactを v4 に更新しました

.github/workflows/playwright.yml

@@ -60,7 +60,7 @@ jobs:
         npx wp-scripts test-playwright --trace on --project=chromium common-margin.spec.ts
         npx wp-scripts test-playwright --trace on --project=chromium heading-transform.spec.ts
 
-    - uses: actions/upload-artifact@v3
+    - uses: actions/upload-artifact@v4
       if: always()
       with:
         name: playwright-report