Bump lefthook from 1.8.2 to 1.8.4

Bumps [lefthook](https://github.com/evilmartians/lefthook) from 1.8.2 to 1.8.4.
- [Release notes](https://github.com/evilmartians/lefthook/releases)
- [Changelog](https://github.com/evilmartians/lefthook/blob/master/CHANGELOG.md)
- [Commits](evilmartians/lefthook@v1.8.2...v1.8.4)

---
updated-dependencies:
- dependency-name: lefthook
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Gemfile.lock

@@ -193,7 +193,7 @@ GEM
     kramdown (2.4.0)
       rexml
     language_server-protocol (3.17.0.3)
-    lefthook (1.8.2)
+    lefthook (1.8.4)
     localhost (1.3.1)
     logger (1.6.1)
     loofah (2.23.1)