build(deps-dev): bump less from 4.1.1 to 4.1.2

Bumps [less](https://github.com/less/less.js) from 4.1.1 to 4.1.2.
- [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-patch
...

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

package.json

@@ -40,7 +40,7 @@
   "devDependencies": {
     "browserify": "^17.0.0",
     "jsdoc": "^3.6.6",
-    "less": "^4.1.1",
+    "less": "^4.1.2",
     "less-plugin-clean-css": "^1.5.1",
     "npm-run-all": "^4.1.5",
     "onchange": "^7.1.0",