chore(deps): update dependency chai to v6

Author: renovate-bot

samples/package.json

@@ -21,7 +21,7 @@
     "yargs": "^17.0.0"
   },
   "devDependencies": {
-    "chai": "^4.2.0",
+    "chai": "^6.0.0",
     "mocha": "^8.0.0",
     "proxyquire": "^2.1.0",
     "supertest": "^7.0.0",