Update dependency chai to v6

Author: renovate[bot]

package.json

@@ -39,7 +39,7 @@
     "@rollup/plugin-commonjs": "28.0.6",
     "@rollup/plugin-node-resolve": "16.0.1",
     "autopublish-template": "20.0.20",
-    "chai": "4.3.4",
+    "chai": "6.0.1",
     "concurrently": "9.2.0",
     "husky": "9.1.7",
     "karma": "6.4.4",