Bump parser from 3.1.1.0 to 3.1.2.0

Bumps [parser](https://github.com/whitequark/parser) from 3.1.1.0 to 3.1.2.0.
- [Release notes](https://github.com/whitequark/parser/releases)
- [Changelog](https://github.com/whitequark/parser/blob/master/CHANGELOG.md)
- [Commits](whitequark/parser@v3.1.1.0...v3.1.2.0)

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

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

Author: dependabot[bot]

Gemfile.lock

@@ -10,7 +10,7 @@ GEM
     benchmark-ips (2.10.0)
     docile (1.4.0)
     minitest (5.15.0)
-    parser (3.1.1.0)
+    parser (3.1.2.0)
       ast (~> 2.4.1)
     rake (13.0.6)
     ruby_parser (3.19.1)