Update dependency storybook-chromatic to v3.0.3 (#171)

Author: renovate[bot]

package.json

@@ -68,6 +68,6 @@
     "react": "16.10.2",
     "react-async": "8.0.0",
     "react-dom": "16.10.2",
-    "storybook-chromatic": "3.0.0"
+    "storybook-chromatic": "3.0.3"
   }
 }