Bump less from 4.8.0 to 4.8.1

Bumps [less](https://github.com/less/less.js) from 4.8.0 to 4.8.1.
- [Release notes](https://github.com/less/less.js/releases)
- [Changelog](https://github.com/less/less.js/blob/master/CHANGELOG.md)
- [Commits](less/less.js@v4.8.0...v4.8.1)

---
updated-dependencies:
- dependency-name: less
  dependency-version: 4.8.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

package.json

@@ -59,7 +59,7 @@
 		"knockout-postbox": "0.6.1",
 		"knockout-sortable": "1.3.0",
 		"knockout.validation": "2.0.4",
-		"less": "4.8.0",
+		"less": "4.8.1",
 		"lie": "3.3.0",
 		"lightbox2": "2.12.0",
 		"moment": "2.30.1",

yarn.lock

@@ -3318,10 +3318,10 @@ lead@^4.0.0:
   resolved "https://registry.npmjs.org/lead/-/lead-4.0.0.tgz"
   integrity sha512-DpMa59o5uGUWWjruMp71e6knmwKU3jRBBn1kjuLWN9EeIOxNeSAwvHf03WIl8g/ZMR2oSQC9ej3yeLBwdDc/pg==
 
-less@4.8.0:
-  version "4.8.0"
-  resolved "https://registry.yarnpkg.com/less/-/less-4.8.0.tgz#c5dd2ae42ae8c037efa8287b732352a0b29c4174"
-  integrity sha512-7Y7DJBMbsW29UGjOG6NGvxQEx71AaDcrryBwYCMaFwn0kj8FkSueKN9r9WexVOetKEhXh38kL++WJncfkEpS+g==
+less@4.8.1:
+  version "4.8.1"
+  resolved "https://registry.yarnpkg.com/less/-/less-4.8.1.tgz#eda5a5c92f21507da6e0f88346a76c37e3403f7b"
+  integrity sha512-jQ3lRIo1aUtiWVYXZ7mk4+V4BjCGswF3IxTLJ+4RUta8ZiHh8lhkig2G8dya2eCcyR1dYUvzuV46EkJN8PSwww==
   dependencies:
     copy-anything "^3.0.5"
     parse-node-version "^1.0.1"