Bump mocha from 2.5.0 to 2.6.0 (#1107)

Bumps [mocha](https://github.com/freerange/mocha) from 2.5.0 to 2.6.0.
- [Changelog](https://github.com/freerange/mocha/blob/main/RELEASE.md)
- [Commits](freerange/mocha@v2.5.0...v2.6.0)

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

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

Gemfile

@@ -85,7 +85,7 @@ end
 
 group :test do
   gem 'minitest-reporters', '>= 0.5.0'
-  gem 'mocha', '~> 2.0'
+  gem 'mocha', '~> 2.6'
   gem 'simplecov', require: false
   gem 'webmock'
   gem 'rails-controller-testing' # bring back compatibility with rails 4 assigns in controller tests.

Gemfile.lock

@@ -285,7 +285,7 @@ GEM
       railties (>= 7.1)
       stimulus-rails
       turbo-rails
-    mocha (2.5.0)
+    mocha (2.6.0)
       ruby2_keywords (>= 0.0.5)
     msgpack (1.7.3)
     multi_xml (0.7.1)
@@ -573,7 +573,7 @@ DEPENDENCIES
   memory_profiler
   minitest-reporters (>= 0.5.0)
   mission_control-jobs
-  mocha (~> 2.0)
+  mocha (~> 2.6)
   mysql2
   omniauth
   omniauth-google-oauth2