ci: update upload artifact to version 4

Author: ixartz

.github/workflows/CI.yml

@@ -80,7 +80,7 @@ jobs:
           PERCY_TOKEN: ${{ secrets.PERCY_TOKEN }}
           CLERK_SECRET_KEY: ${{ secrets.CLERK_SECRET_KEY }}
 
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         if: always()
         with:
           name: test-results