Bump chai from 5.2.1 to 6.0.0

Bumps [chai](https://github.com/chaijs/chai) from 5.2.1 to 6.0.0.
- [Release notes](https://github.com/chaijs/chai/releases)
- [Changelog](https://github.com/chaijs/chai/blob/main/History.md)
- [Commits](https://github.com/chaijs/chai/compare/v5.2.1...v6.0.0)

Change-Id: I3e23b56847c443c976d0ae6acb88e0db6cd40a36

---
updated-dependencies:
- dependency-name: chai
  dependency-version: 6.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Closes #82

Change-Id: Icc76e7577710e91600e092c8e9e45e905151b287
diff --git a/package.json b/package.json
index 92776bd..69946f7 100644
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
   "license": "APACHE-2.0",
   "dependencies": {
     "@slack/web-api": "^7.3.4",
-    "chai": "^5.2.1",
+    "chai": "^6.0.0",
     "form-data": "^4.0.4",
     "mocha": "^11.7.1",
     "mocha-junit-reporter": "^2.2.1",