Bump lefthook from 2.1.4 to 2.1.6 (#303)

Bumps [lefthook](https://github.com/evilmartians/lefthook) from 2.1.4 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@v2.1.4...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>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

package-lock.json

@@ -42,7 +42,7 @@
     "bootstrap": "^5.3.8",
     "bootstrap-icons": "^1.13.1",
     "bootswatch": "^5.3.8",
-    "lefthook": "^2.1.4",
+    "lefthook": "^2.1.6",
     "prettier": "3.8.1",
     "stylelint": "^16.25.0",
     "stylelint-config-twbs-bootstrap": "^16.1.0"