build(deps-dev): bump @testing-library/jest-dom from 6.6.3 to 6.6.4 in /admin-js (#1004)

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Author: dependabot[bot]

admin-js/package.json

@@ -30,7 +30,7 @@
     "@babel/preset-env": "7.28.0",
     "@babel/preset-react": "7.27.1",
     "@testing-library/dom": "10.4.0",
-    "@testing-library/jest-dom": "6.6.3",
+    "@testing-library/jest-dom": "6.6.4",
     "@testing-library/react": "16.3.0",
     "@testing-library/user-event": "14.6.1",
     "@ungap/structured-clone": "1.3.0",