Update mocha requirement from ~> 2.0.2 to ~> 2.1.0

Updates the requirements on [mocha](https://github.com/freerange/mocha) to permit the latest version.
- [Changelog](https://github.com/freerange/mocha/blob/main/RELEASE.md)
- [Commits](freerange/mocha@v2.0.4...v2.1.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

Gemfile.lock

@@ -45,7 +45,7 @@ GEM
       nokogiri (>= 1.12.0)
     mini_portile2 (2.8.2)
     minitest (5.18.1)
-    mocha (2.0.4)
+    mocha (2.1.0)
       ruby2_keywords (>= 0.0.5)
     nokogiri (1.15.2)
       mini_portile2 (~> 2.8.2)
@@ -104,7 +104,7 @@ DEPENDENCIES
   erb_lint (~> 0.4.0)
   erblint-github!
   minitest (~> 5.18.0)
-  mocha (~> 2.0.2)
+  mocha (~> 2.1.0)
   rake (~> 13.0.6)
   rubocop (= 1.55.0)
   rubocop-github (~> 0.20.0)

erblint-github.gemspec

@@ -18,7 +18,7 @@ Gem::Specification.new do |s|
 
   s.add_development_dependency "erb_lint", "~> 0.4.0"
   s.add_development_dependency "minitest", "~> 5.18.0"
-  s.add_development_dependency "mocha", "~> 2.0.2"
+  s.add_development_dependency "mocha", "~> 2.1.0"
   s.add_development_dependency "rake", "~> 13.0.6"
 
   s.add_development_dependency "rubocop", "= 1.55.0"