Merge pull request #750 from IU-Libraries-Joint-Development/yarn-upgrade

Run `yarn upgrade` to fix build.

Author: dlpierce

package.json

@@ -10,13 +10,13 @@
     "lodash": "^4.18.1",
     "prop-types": "^15.7.2",
     "react": "^16.13.1",
-    "react_ujs": "^2.6.1",
     "react-bootstrap": "^1.0.1",
     "react-dom": "^16.13.1",
     "react-jsonschema-form": "^1.8.1",
     "react-jsonschema-form-bs4": "^1.7.1",
     "react-spinners": "^0.8.1",
     "react-transition-group": "^4.3.0",
+    "react_ujs": "^2.6.1",
     "universalviewer": "3.1.4"
   },
   "scripts": {