Bump unparser from 0.6.9 to 0.6.10 (#321)

Bumps [unparser](https://github.com/mbj/unparser) from 0.6.9 to 0.6.10.
- [Changelog](https://github.com/mbj/unparser/blob/main/Changelog.md)
- [Commits](mbj/unparser@v0.6.9...v0.6.10)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Gemfile.lock

@@ -56,7 +56,7 @@ GEM
       simplecov_json_formatter (~> 0.1)
     simplecov-html (0.12.3)
     simplecov_json_formatter (0.1.4)
-    unparser (0.6.9)
+    unparser (0.6.10)
       diff-lcs (~> 1.3)
       parser (>= 3.2.2.4)
     yard (0.9.34)