Bump diff-lcs from 1.5.0 to 1.5.1

Bumps [diff-lcs](https://github.com/halostatue/diff-lcs) from 1.5.0 to 1.5.1.
- [Changelog](https://github.com/halostatue/diff-lcs/blob/main/History.md)
- [Commits](https://github.com/halostatue/diff-lcs/commits)

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

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

Gemfile.lock

@@ -30,7 +30,7 @@ GEM
     connection_pool (2.4.1)
     crack (0.4.5)
       rexml
-    diff-lcs (1.5.0)
+    diff-lcs (1.5.1)
     docile (1.4.0)
     drb (2.2.0)
       ruby2_keywords