chore: support chai 6 (#335)

* chore: support chai 6

* chore: update chai locally

Author: 43081j

package-lock.json

@@ -32,15 +32,15 @@
     "format": "prettier --write lib test"
   },
   "dependencies": {
-    "check-error": "^2.0.0"
+    "check-error": "^2.1.1"
   },
   "peerDependencies": {
-    "chai": ">= 2.1.2 < 6"
+    "chai": ">= 2.1.2 < 7"
   },
   "devDependencies": {
     "@eslint/js": "^9.19.0",
     "c8": "^10.0.0",
-    "chai": "^5.1.0",
+    "chai": "^6.0.1",
     "eslint": "^9.0.0",
     "globals": "^16.0.0",
     "mocha": "^11.0.0",