chore(deps-dev): bump less from 3.13.1 to 4.1.3 (#92)

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] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

package.json

@@ -63,7 +63,7 @@
     "father": "^4.0.0",
     "gh-pages": "^3.1.0",
     "glob": "^7.1.6",
-    "less": "^3.10.3",
+    "less": "^4.1.3",
     "np": "^6.2.4",
     "prettier": "^2.1.1",
     "pretty-quick": "^3.0.1",