Dev: Bump mocha from 9.0.1 to 9.1.1

Bumps [mocha](https://github.com/mochajs/mocha) from 9.0.1 to 9.1.1.
- [Release notes](https://github.com/mochajs/mocha/releases)
- [Changelog](https://github.com/mochajs/mocha/blob/master/CHANGELOG.md)
- [Commits](mochajs/mocha@v9.0.1...v9.1.1)

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

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

package.json

@@ -26,7 +26,7 @@
     "eslint": "^7.29.0",
     "eslint-plugin-chai-friendly": "^0.7.1",
     "istanbul": "^0.4.5",
-    "mocha": "^9.0.1"
+    "mocha": "^9.1.1"
   },
   "keywords": [
     "eslint",