[bundler] Bump the monthly group across 1 directory with 3 updates (#45)

Bumps the monthly group with 3 updates in the / directory: [minitest](https://github.com/minitest/minitest), [mocha](https://github.com/freerange/mocha) and [concurrent-ruby](https://github.com/ruby-concurrency/concurrent-ruby).


Updates `minitest` from 5.23.1 to 5.24.1
- [Changelog](https://github.com/minitest/minitest/blob/master/History.rdoc)
- [Commits](minitest/minitest@v5.23.1...v5.24.1)

Updates `mocha` from 2.3.0 to 2.4.0
- [Changelog](https://github.com/freerange/mocha/blob/main/RELEASE.md)
- [Commits](freerange/mocha@v2.3.0...v2.4.0)

Updates `concurrent-ruby` from 1.3.1 to 1.3.3
- [Release notes](https://github.com/ruby-concurrency/concurrent-ruby/releases)
- [Changelog](https://github.com/ruby-concurrency/concurrent-ruby/blob/master/CHANGELOG.md)
- [Commits](ruby-concurrency/concurrent-ruby@v1.3.1...v1.3.3)

---
updated-dependencies:
- dependency-name: minitest
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: monthly
- dependency-name: mocha
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: monthly
- dependency-name: concurrent-ruby
  dependency-type: indirect
  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

@@ -25,7 +25,7 @@ GEM
     base64 (0.2.0)
     bigdecimal (3.1.8)
     byebug (11.1.3)
-    concurrent-ruby (1.3.1)
+    concurrent-ruby (1.3.3)
     connection_pool (2.4.1)
     drb (2.2.1)
     globalid (1.2.1)
@@ -37,8 +37,8 @@ GEM
       rake (>= 0.9.2.2)
     method_source (1.1.0)
     mini_portile2 (2.8.7)
-    minitest (5.23.1)
-    mocha (2.3.0)
+    minitest (5.24.1)
+    mocha (2.4.0)
       ruby2_keywords (>= 0.0.5)
     mutex_m (0.2.0)
     rake (13.2.1)