chore(package): update react-styleguidist to version 10.3.0

Closes #112

Author: greenkeeper[bot]

package.json

@@ -49,7 +49,7 @@
     "react": "^16.8.4",
     "react-codemirror2": "^6.0.0",
     "react-dom": "^16.8.4",
-    "react-styleguidist": "^9.0.1",
+    "react-styleguidist": "^10.3.0",
     "react-test-renderer": "^16.8.4",
     "sass-loader": "^7.0.3",
     "style-loader": "^0.23.1",