Update dependency @testing-library/jest-dom to v6 (#270)

Author: renovate[bot]

package.json

@@ -82,7 +82,7 @@
     "react-dom": ">= 18.2.0"
   },
   "devDependencies": {
-    "@testing-library/jest-dom": "^5.16.5",
+    "@testing-library/jest-dom": "^6.0.0",
     "@testing-library/react": "^14.0.0",
     "@trivago/prettier-plugin-sort-imports": "^4.1.1",
     "@types/node": "^18.15.11",