[bundler] Bump mocha from 2.4.0 to 2.4.1 in the monthly group (#46)

Bumps the monthly group with 1 update: [mocha](https://github.com/freerange/mocha).


Updates `mocha` from 2.4.0 to 2.4.1
- [Changelog](https://github.com/freerange/mocha/blob/main/RELEASE.md)
- [Commits](freerange/mocha@v2.4.0...v2.4.1)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Gemfile.lock

@@ -38,7 +38,7 @@ GEM
     method_source (1.1.0)
     mini_portile2 (2.8.7)
     minitest (5.24.1)
-    mocha (2.4.0)
+    mocha (2.4.1)
       ruby2_keywords (>= 0.0.5)
     mutex_m (0.2.0)
     rake (13.2.1)