Bump regexp_parser from 2.8.3 to 2.9.0

Bumps [regexp_parser](https://github.com/ammar/regexp_parser) from 2.8.3 to 2.9.0.
- [Changelog](https://github.com/ammar/regexp_parser/blob/master/CHANGELOG.md)
- [Commits](ammar/regexp_parser@v2.8.3...v2.9.0)

---
updated-dependencies:
- dependency-name: regexp_parser
  dependency-type: indirect
  update-type: version-update:semver-minor
...

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

Gemfile.lock

@@ -345,7 +345,7 @@ GEM
       connection_pool
     redis-namespace (1.11.0)
       redis (>= 4)
-    regexp_parser (2.8.3)
+    regexp_parser (2.9.0)
     reline (0.4.2)
       io-console (~> 0.5)
     request_store (1.5.1)