build(deps): bump less from 4.1.3 to 4.2.0

Bumps [less](https://github.com/less/less.js) from 4.1.3 to 4.2.0.
- [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-minor
...

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

yarn.lock

@@ -3425,9 +3425,9 @@ lead@^1.0.0:
     flush-write-stream "^1.0.2"
 
 "less@^3.12.0 || ^4.0.0", "less@^3.7.1 || ^4.0.0":
-  version "4.1.3"
-  resolved "https://registry.yarnpkg.com/less/-/less-4.1.3.tgz#175be9ddcbf9b250173e0a00b4d6920a5b770246"
-  integrity sha512-w16Xk/Ta9Hhyei0Gpz9m7VS8F28nieJaL/VyShID7cYvP6IL5oHeL6p4TXSDJqZE/lNv0oJ2pGVjJsRkfwm5FA==
+  version "4.2.0"
+  resolved "https://registry.yarnpkg.com/less/-/less-4.2.0.tgz#cbefbfaa14a4cd388e2099b2b51f956e1465c450"
+  integrity sha512-P3b3HJDBtSzsXUl0im2L7gTO5Ubg8mEN6G8qoTS77iXxXX4Hvu4Qj540PZDvQ8V6DmX6iXo98k7Md0Cm1PrLaA==
   dependencies:
     copy-anything "^2.0.1"
     parse-node-version "^1.0.1"