Switch less2sass to branch to solve vulnerability. (#1413)

- Original repo is 5 years out of date, may be dead.
- PR made. If accepted, will switch this back.

package.json

@@ -13,7 +13,7 @@
     "grunt": "^1.0.0",
     "grunt-cli": "^1.2.0",
     "grunt-contrib-less": "1.3.0",
-    "grunt-less-to-sass": "0.0.10",
+    "grunt-less-to-sass": "crhallberg/grunt-less-to-sass#lodash-fix",
     "grunt-sass": "^1.0.0",
     "jit-grunt": "^0.9.1",
     "node-sass": "^4.11.0"