chore(deps): update dependency chai to v6

Author: renovate[bot]

package.json

@@ -34,7 +34,7 @@
   },
   "devDependencies": {
     "c8": "^10.0.0",
-    "chai": "^5.0.0",
+    "chai": "^6.0.0",
     "husky": "^9.0.0",
     "lint-staged": "^16.0.0",
     "mocha": "^11.0.0",