Update commonmarker requirement from ~> 1.1.2 to ~> 2.0.1

Updates the requirements on [commonmarker](https://github.com/gjtorikian/commonmarker) to permit the latest version.

Updates `commonmarker` to 2.0.1
- [Release notes](https://github.com/gjtorikian/commonmarker/releases)
- [Changelog](https://github.com/gjtorikian/commonmarker/blob/main/CHANGELOG.md)
- [Commits](gjtorikian/commonmarker@v1.1.2...v2.0.1)

---
updated-dependencies:
- dependency-name: commonmarker
  dependency-type: direct:development
  dependency-group: bundler-dependencies
...

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

Gemfile

@@ -25,7 +25,7 @@ group :development do
 end
 
 group :test do
-  gem "commonmarker", "~> 1.1.2", require: false
+  gem "commonmarker", "~> 2.0.1", require: false
   gem "gemoji", "~> 4.1", require: false
   gem "gemojione", "~> 4.3", require: false