build(deps-dev): bump diff-lcs from 1.5.1 to 1.6.0

Bumps [diff-lcs](https://github.com/halostatue/diff-lcs) from 1.5.1 to 1.6.0.
- [Changelog](https://github.com/halostatue/diff-lcs/blob/main/CHANGELOG.md)
- [Commits](halostatue/diff-lcs@v1.5.1...v1.6.0)

---
updated-dependencies:
- dependency-name: diff-lcs
  dependency-type: indirect
  update-type: version-update:semver-minor
...

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

Gemfile.lock

@@ -19,7 +19,7 @@ GEM
     bigdecimal (3.1.9)
     concurrent-ruby (1.3.5)
     connection_pool (2.5.0)
-    diff-lcs (1.5.1)
+    diff-lcs (1.6.0)
     docile (1.4.1)
     drb (2.2.1)
     i18n (1.14.7)