chore: bump lefthook from 2.1.3 to 2.1.6

Bumps [lefthook](https://github.com/evilmartians/lefthook) from 2.1.3 to 2.1.6.
- [Release notes](https://github.com/evilmartians/lefthook/releases)
- [Changelog](https://github.com/evilmartians/lefthook/blob/master/CHANGELOG.md)
- [Commits](evilmartians/lefthook@v2.1.3...v2.1.6)

---
updated-dependencies:
- dependency-name: lefthook
  dependency-version: 2.1.6
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

pyproject.toml

@@ -28,7 +28,7 @@ build-backend = "hatchling.build"
 
 [dependency-groups]
 dev = [
-  "lefthook>=1.12.4",
+  "lefthook>=2.1.6",
   "pytest>=8.4.2",
   "pytest-cov>=7.0.0",
   "ruff>=0.15.12",