chore(deps-dev): update mocha requirement in /packages/featureserver

Updates the requirements on [mocha](https://github.com/mochajs/mocha) to permit the latest version.
- [Release notes](https://github.com/mochajs/mocha/releases)
- [Changelog](https://github.com/mochajs/mocha/blob/main/CHANGELOG.md)
- [Commits](mochajs/mocha@v10.7.3...v10.8.2)

---
updated-dependencies:
- dependency-name: mocha
  dependency-type: direct:development
...

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

packages/featureserver/package.json

@@ -37,7 +37,7 @@
   "devDependencies": {
     "even-more-min": "^1.0.1",
     "express": "^4.21.1",
-    "mocha": "^10.7.3",
+    "mocha": "^10.8.2",
     "nyc": "^17.1.0",
     "proxyquire": "^2.1.3",
     "should": "^13.2.3",