chore(deps-dev): bump less from 3.13.1 to 4.1.3

Bumps [less](https://github.com/less/less.js) from 3.13.1 to 4.1.3.
- [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>

package.json

@@ -65,7 +65,7 @@
     "father": "^2.22.0",
     "father-build": "^1.18.6",
     "gh-pages": "^3.1.0",
-    "less": "^3.10.3",
+    "less": "^4.1.3",
     "np": "^6.0.0",
     "react": "^16.9.0",
     "react-dom": "^16.9.0",