⬆️ deps: Upgrade dependency chai to v6.

Author: renovate[bot]

package-lock.json

@@ -162,7 +162,7 @@
     "@types/react-dom": "18.3.0",
     "babel-plugin-istanbul": "7.0.1",
     "babel-plugin-transform-remove-console": "6.9.4",
-    "chai": "4.5.0",
+    "chai": "6.2.2",
     "dayjs": "1.11.20",
     "emoji-favicon-cli": "3.0.1",
     "eslint-config-xo-react": "0.27.0",