Bump regexp_parser from 1.7.0 to 1.7.1

Bumps [regexp_parser](https://github.com/ammar/regexp_parser) from 1.7.0 to 1.7.1.
- [Release notes](https://github.com/ammar/regexp_parser/releases)
- [Changelog](https://github.com/ammar/regexp_parser/blob/master/CHANGELOG.md)
- [Commits](ammar/regexp_parser@v1.7.0...v1.7.1)

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

Gemfile.lock

@@ -102,7 +102,7 @@ GEM
     rb-fsevent (0.10.4)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    regexp_parser (1.7.0)
+    regexp_parser (1.7.1)
     retriable (3.1.2)
     rexml (3.2.4)
     rspec (3.9.0)