Update dependency chai to v6

Author: renovate[bot]

package.json

@@ -37,7 +37,7 @@
   "devDependencies": {
     "@rollup/plugin-commonjs": "29.0.0",
     "@rollup/plugin-node-resolve": "16.0.3",
-    "chai": "4.3.4",
+    "chai": "6.2.0",
     "concurrently": "9.2.1",
     "husky": "9.1.7",
     "karma": "6.4.4",