chore(deps-dev): bump less from 3.13.1 to 4.2.1 (#94)

Bumps [less](https://github.com/less/less.js) from 3.13.1 to 4.2.1.
- [Release notes](https://github.com/less/less.js/releases)
- [Changelog](https://github.com/less/less.js/blob/master/CHANGELOG.md)
- [Commits](https://github.com/less/less.js/commits)

---
updated-dependencies:
- dependency-name: less
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

package.json

@@ -64,7 +64,7 @@
     "father": "^4.3.7",
     "gh-pages": "^6.2.0",
     "husky": "^9.1.7",
-    "less": "^3.10.3",
+    "less": "^4.2.1",
     "lint-staged": "^15.2.11",
     "np": "^10.1.0",
     "prettier": "^3.4.2",