Bump parser from 3.3.5.1 to 3.3.6.0

Bumps [parser](https://github.com/whitequark/parser) from 3.3.5.1 to 3.3.6.0.
- [Changelog](https://github.com/whitequark/parser/blob/master/CHANGELOG.md)
- [Commits](whitequark/parser@v3.3.5.1...v3.3.6.0)

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

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

Gemfile.lock

@@ -31,7 +31,7 @@ GEM
     parallel (1.26.3)
     parallel_tests (4.7.2)
       parallel
-    parser (3.3.5.1)
+    parser (3.3.6.0)
       ast (~> 2.4.1)
       racc
     pdf-reader (2.12.0)