Bump parser from 3.3.4.0 to 3.3.4.2

Bumps [parser](https://github.com/whitequark/parser) from 3.3.4.0 to 3.3.4.2.
- [Changelog](https://github.com/whitequark/parser/blob/master/CHANGELOG.md)
- [Commits](whitequark/parser@v3.3.4.0...v3.3.4.2)

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

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

Gemfile.lock

@@ -35,7 +35,7 @@ GEM
       iniparse (~> 1.4)
       rexml (~> 3.2)
     parallel (1.26.2)
-    parser (3.3.4.0)
+    parser (3.3.4.2)
       ast (~> 2.4.1)
       racc
     public_suffix (6.0.1)