Bump mocha from 10.8.2 to 11.7.5

Bumps [mocha](https://github.com/mochajs/mocha) from 10.8.2 to 11.7.5.
- [Release notes](https://github.com/mochajs/mocha/releases)
- [Changelog](https://github.com/mochajs/mocha/blob/v11.7.5/CHANGELOG.md)
- [Commits](mochajs/mocha@v10.8.2...v11.7.5)

---
updated-dependencies:
- dependency-name: mocha
  dependency-version: 11.7.5
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

package.json

@@ -29,7 +29,7 @@
     "@types/node": "^25.5.0",
     "eslint": "^8.57.1",
     "eslint-config-etherpad": "^4.0.4",
-    "mocha": "^10.8.2",
+    "mocha": "^11.7.5",
     "typescript": "^6.0.2"
   },
   "scripts": {