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] <support@github.com>

Author: dependabot[bot]

package.json

@@ -56,7 +56,7 @@
 		"knockout-postbox": "0.6.1",
 		"knockout-sortable": "1.2.2",
 		"knockout.validation": "2.0.4",
-		"less": "4.2.0",
+		"less": "4.2.1",
 		"lie": "3.3.0",
 		"lightbox2": "2.11.5",
 		"moment": "2.30.1",

yarn.lock

@@ -4104,10 +4104,10 @@ lead@^4.0.0:
   resolved "https://registry.npmjs.org/lead/-/lead-4.0.0.tgz"
   integrity sha512-DpMa59o5uGUWWjruMp71e6knmwKU3jRBBn1kjuLWN9EeIOxNeSAwvHf03WIl8g/ZMR2oSQC9ej3yeLBwdDc/pg==
 
-less@4.2.0:
-  version "4.2.0"
-  resolved "https://registry.npmjs.org/less/-/less-4.2.0.tgz"
-  integrity sha512-P3b3HJDBtSzsXUl0im2L7gTO5Ubg8mEN6G8qoTS77iXxXX4Hvu4Qj540PZDvQ8V6DmX6iXo98k7Md0Cm1PrLaA==
+less@4.2.1:
+  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"