chore(deps): update dependency @testing-library/jest-dom to ^6.9.1

Author: renovate[bot]

package.json

@@ -137,7 +137,7 @@
     "@sanity/semantic-release-preset": "^5.0.0",
     "@sanity/ui-workshop": "4.0.0-static.12",
     "@testing-library/dom": "^10.4.1",
-    "@testing-library/jest-dom": "^6.8.0",
+    "@testing-library/jest-dom": "^6.9.1",
     "@testing-library/react": "^16.3.0",
     "@testing-library/user-event": "^14.6.1",
     "@types/node": "^24.5.2",