build(deps-dev): bump chai from 4.5.0 to 6.0.1

Bumps [chai](https://github.com/chaijs/chai) from 4.5.0 to 6.0.1.
- [Release notes](https://github.com/chaijs/chai/releases)
- [Changelog](https://github.com/chaijs/chai/blob/main/History.md)
- [Commits](chaijs/chai@v4.5.0...v6.0.1)

---
updated-dependencies:
- dependency-name: chai
  dependency-version: 6.0.1
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

package-lock.json

@@ -25,7 +25,7 @@
     "@types/express": "^5.0.3",
     "@types/mocha": "^10.0.10",
     "@types/node": "^24.2.0",
-    "chai": "^4.5.0",
+    "chai": "^6.0.1",
     "mocha": "^11.7.1",
     "nyc": "^17.1.0",
     "ts-node": "^10.9.2",