Bump less from 4.6.4 to 4.6.6

Bumps [less](https://github.com/less/less.js) from 4.6.4 to 4.6.6.
- [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/v4.6.6)

---
updated-dependencies:
- dependency-name: less
  dependency-version: 4.6.6
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

package-lock.json

@@ -7,7 +7,7 @@
     "playwright": "npx playwright install --with-deps && npx playwright test"
   },
   "dependencies": {
-    "less": "^4.6.4",
+    "less": "^4.6.6",
     "less-plugin-clean-css": "^1.6.0",
     "uglify-js": "^3.19.3"
   },