Bump regexp_parser from 2.8.2 to 2.8.3

Bumps [regexp_parser](https://github.com/ammar/regexp_parser) from 2.8.2 to 2.8.3.
- [Changelog](https://github.com/ammar/regexp_parser/blob/master/CHANGELOG.md)
- [Commits](ammar/regexp_parser@v2.8.2...v2.8.3)

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

Signed-off-by: dependabot[bot] <[email protected]>

Gemfile.lock

@@ -436,7 +436,7 @@ GEM
     rake (13.1.0)
     rdoc (6.6.0)
       psych (>= 4.0.0)
-    regexp_parser (2.8.2)
+    regexp_parser (2.8.3)
     reline (0.4.1)
       io-console (~> 0.5)
     request_store (1.5.1)