Update dependency sugarss to v3 (#433)

Co-authored-by: Renovate Bot <bot@renovateapp.com>

Author: renovate[bot]

package.json

@@ -34,7 +34,7 @@
     "postcss": "^8.0.0",
     "postcss-scss": "^3.0.0",
     "prettier": "~2.1.0",
-    "sugarss": "^2.0.0"
+    "sugarss": "^3.0.0"
   },
   "peerDependencies": {
     "postcss": "^8.0.0"