feat(deps): bump

Author: yoshuawuyts

package.json

@@ -28,9 +28,9 @@
   "devDependencies": {
     "browserify": "^13.0.0",
     "dependency-check": "^2.5.1",
-    "insert-css": "^2.0.0",
+    "insert-css": "^1.0.0",
     "istanbul": "^0.4.2",
-    "sheetify": "^4.1.0",
+    "sheetify": "^5.2.0",
     "standard": "^6.0.7",
     "tape": "^4.5.0",
     "tmp": "0.0.28"