fix(package): update jss to version 10.2.0

Closes #790

Author: greenkeeper[bot]

packages/admin-ui/package.json

@@ -29,7 +29,7 @@
     "emotion": "^10.0.0",
     "history": "^4.9.0",
     "interweave": "^9.2.1",
-    "jss": "^9.8.2",
+    "jss": "^10.2.0",
     "keycode": "^2.2.0",
     "makecancelable": "^1.0.0",
     "pretty-error": "^2.1.1",