fix: upgrade normalizr from 3.6.1 to 3.6.2

Snyk has created this PR to upgrade normalizr from 3.6.1 to 3.6.2.

See this package in npm:
https://www.npmjs.com/package/normalizr

See this project in Snyk:
https://app.snyk.io/org/jamesdbloom/project/16eaafd0-fedd-4627-8f06-e3d0bfeaba02?utm_source=github&utm_medium=referral&page=upgrade-pr

Author: snyk-bot

package-lock.json

@@ -27,7 +27,7 @@
     "lodash": "^4.17.21",
     "material-design-icons": "^3.0.1",
     "material-ui": "^0.20.0",
-    "normalizr": "^3.6.1",
+    "normalizr": "^3.6.2",
     "prop-types": "^15.8.1",
     "query-string": "^6.14.1",
     "react": "^16.14.0",