Fix: Updated jss-isolate (styleguidist#759)

Close styleguidist#739

Author: Andarist

package-lock.json

@@ -58,7 +58,7 @@
     "jss-compose": "^5.0.0",
     "jss-default-unit": "^8.0.0",
     "jss-global": "^3.0.0",
-    "jss-isolate": "5.0.0",
+    "jss-isolate": "^5.1.0",
     "jss-nested": "^6.0.1",
     "leven": "^2.1.0",
     "listify": "^1.0.0",