chore(deps): update dependency chai to v6

Author: renovate[bot]

javascript/package-lock.json

@@ -44,7 +44,7 @@
     "@types/node": "22.17.2",
     "@typescript-eslint/eslint-plugin": "8.40.0",
     "@typescript-eslint/parser": "8.40.0",
-    "chai": "^5.0.0",
+    "chai": "^6.0.0",
     "chai-almost": "^1.0.1",
     "chai-xml": "^0.4.1",
     "eslint": "9.33.0",