chore(deps): bump chai from 4.3.6 to 6.2.1

Bumps [chai](https://github.com/chaijs/chai) from 4.3.6 to 6.2.1.
- [Release notes](https://github.com/chaijs/chai/releases)
- [Changelog](https://github.com/chaijs/chai/blob/main/History.md)
- [Commits](chaijs/chai@v4.3.6...v6.2.1)

---
updated-dependencies:
- dependency-name: chai
  dependency-version: 6.2.1
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

package-lock.json

@@ -15,7 +15,7 @@
   "homepage": "https://github.com/googlesamples/apps-script-oauth2",
   "devDependencies": {
     "@google/clasp": "2.4.2",
-    "chai": "4.3.6",
+    "chai": "6.2.1",
     "del": "6.0.0",
     "eslint": "8.28.0",
     "eslint-config-google": "0.14.0",