Upgrade less to 3.7.1 (from 3.0.4)

Author: bdukes

package.json

@@ -51,7 +51,7 @@
     "knockout-postbox": "0.6.0",
     "knockout-sortable": "1.1.0",
     "knockout.validation": "2.0.3",
-    "less": "3.0.4",
+    "less": "3.7.1",
     "lie": "3.3.0",
     "lightbox2": "2.10.0",
     "moment": "2.22.2",

yarn.lock

@@ -2554,9 +2554,9 @@ lazy-cache@^1.0.3:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/lazy-cache/-/lazy-cache-1.0.4.tgz#a1d78fc3a50474cb80845d3b3b6e1da49a446e8e"
 
-less@3.0.4:
-  version "3.0.4"
-  resolved "https://registry.yarnpkg.com/less/-/less-3.0.4.tgz#d27dcedbac96031c9e7b76f1da1e4b7d83760814"
+less@3.7.1:
+  version "3.7.1"
+  resolved "https://registry.yarnpkg.com/less/-/less-3.7.1.tgz#192e9dcef456ba3181a4e8d78a200f72a75e5c30"
   optionalDependencies:
     errno "^0.1.1"
     graceful-fs "^4.1.2"