build(deps): bump less from 4.2.0 to 4.2.1

Bumps [less](https://github.com/less/less.js) from 4.2.0 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:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

yarn.lock

@@ -3306,9 +3306,9 @@ lead@^4.0.0:
   integrity sha512-DpMa59o5uGUWWjruMp71e6knmwKU3jRBBn1kjuLWN9EeIOxNeSAwvHf03WIl8g/ZMR2oSQC9ej3yeLBwdDc/pg==
 
 "less@^3.12.0 || ^4.0.0", "less@^3.7.1 || ^4.0.0":
-  version "4.2.0"
-  resolved "https://registry.yarnpkg.com/less/-/less-4.2.0.tgz#cbefbfaa14a4cd388e2099b2b51f956e1465c450"
-  integrity sha512-P3b3HJDBtSzsXUl0im2L7gTO5Ubg8mEN6G8qoTS77iXxXX4Hvu4Qj540PZDvQ8V6DmX6iXo98k7Md0Cm1PrLaA==
+  version "4.2.1"
+  resolved "https://registry.yarnpkg.com/less/-/less-4.2.1.tgz#fe4c9848525ab44614c0cf2c00abd8d031bb619a"
+  integrity sha512-CasaJidTIhWmjcqv0Uj5vccMI7pJgfD9lMkKtlnTHAdJdYK/7l8pM9tumLyJ0zhbD4KJLo/YvTj+xznQd5NBhg==
   dependencies:
     copy-anything "^2.0.1"
     parse-node-version "^1.0.1"