chore(deps): update dependency less to v4

Author: renovate[bot]

Diff for: e2e/package.json

@@ -14,7 +14,7 @@
 		"cypress": "4.12.1",
 		"fork-ts-checker-webpack-plugin": "5.2.1",
 		"jest": "26.6.3",
-		"less": "3.12.2",
+		"less": "4.3.0",
 		"node-sass": "4.14.1",
 		"serve": "11.3.2",
 		"typescript": "3.9.7",