Build(deps): bump diffy from 3.4.3 to 3.4.4

Bumps [diffy](https://github.com/samg/diffy) from 3.4.3 to 3.4.4.
- [Changelog](https://github.com/samg/diffy/blob/main/CHANGELOG)
- [Commits](https://github.com/samg/diffy/commits)

---
updated-dependencies:
- dependency-name: diffy
  dependency-version: 3.4.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

Gemfile.lock

@@ -117,7 +117,7 @@ GEM
       mongoid
     date (3.4.1)
     diff-lcs (1.6.1)
-    diffy (3.4.3)
+    diffy (3.4.4)
     docile (1.4.0)
     domain_name (0.6.20240107)
     drb (2.2.3)