Bump mocha from 9.2.0 to 9.2.1

Bumps [mocha](https://github.com/mochajs/mocha) from 9.2.0 to 9.2.1.
- [Release notes](https://github.com/mochajs/mocha/releases)
- [Changelog](https://github.com/mochajs/mocha/blob/master/CHANGELOG.md)
- [Commits](https://github.com/mochajs/mocha/compare/v9.2.0...v9.2.1)

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

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

package.json

@@ -87,7 +87,7 @@
     "karma-webpack": "^5.0.0",
     "loglevelnext": "^5.0.5",
     "marked": "4.0.12",
-    "mocha": "9.2.0",
+    "mocha": "9.2.1",
     "pixelmatch": "^5.1.0",
     "pngjs": "^6.0.0",
     "proj4": "^2.7.5",