Bump rouge from 3.26.0 to 3.26.1

Bumps [rouge](https://github.com/rouge-ruby/rouge) from 3.26.0 to 3.26.1.
- [Release notes](https://github.com/rouge-ruby/rouge/releases)
- [Changelog](https://github.com/rouge-ruby/rouge/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rouge-ruby/rouge/compare/v3.26.0...v3.26.1)

---
updated-dependencies:
- dependency-name: rouge
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Gemfile.lock

@@ -191,7 +191,7 @@ GEM
       ffi (~> 1.0)
     regexp_parser (2.1.1)
     rexml (3.2.5)
-    rouge (3.26.0)
+    rouge (3.26.1)
     rubocop (1.21.0)
       parallel (~> 1.10)
       parser (>= 3.0.0.0)