build(deps): bump regexp_parser from 2.7.0 to 2.8.0 (#545)

Bumps [regexp_parser](https://github.com/ammar/regexp_parser) from 2.7.0 to 2.8.0.
- [Release notes](https://github.com/ammar/regexp_parser/releases)
- [Changelog](https://github.com/ammar/regexp_parser/blob/master/CHANGELOG.md)
- [Commits](ammar/regexp_parser@v2.7.0...v2.8.0)

---
updated-dependencies:
- dependency-name: regexp_parser
  dependency-type: indirect
  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.lock

@@ -19,7 +19,7 @@ GEM
  ast (~> 2.4.1)
  rainbow (3.1.1)
  rake (13.0.6)
- regexp_parser (2.7.0)
+ regexp_parser (2.8.0)
  rexml (3.2.5)
  rubocop (1.50.0)
  json (~> 2.3)