Bump regexp_parser from 2.0.0 to 2.0.1

Bumps [regexp_parser](https://github.com/ammar/regexp_parser) from 2.0.0 to 2.0.1.
- [Release notes](https://github.com/ammar/regexp_parser/releases)
- [Changelog](https://github.com/ammar/regexp_parser/blob/master/CHANGELOG.md)
- [Commits](ammar/regexp_parser@v2.0.0...v2.0.1)

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

Gemfile.lock

@@ -66,7 +66,7 @@ GEM
     rainbow (3.0.0)
     rake (13.0.2)
     redis (4.2.5)
-    regexp_parser (2.0.0)
+    regexp_parser (2.0.1)
     rexml (3.2.4)
     rollbar (3.1.1)
     rspec (3.10.0)