Bump unparser from 0.6.9 to 0.6.10

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:development
  update-type: version-update:semver-patch
...

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

Gemfile.lock

@@ -740,7 +740,7 @@ GEM
       unf_ext
     unf_ext (0.0.8.2)
     unicode-display_width (2.4.2)
-    unparser (0.6.9)
+    unparser (0.6.10)
       diff-lcs (~> 1.3)
       parser (>= 3.2.2.4)
     webmock (3.19.1)