update npm dependencies

[ben-nathanson]

There is a potential vulnerability in our npm dependencies. This is not yet patched by react-scripts but should be soon. More info here. No action is possible to fix this yet on our end.

[ben-nathanson]

Specifically

                       === npm audit security report ===                        
                                                                                
┌──────────────────────────────────────────────────────────────────────────────┐
│                                Manual Review                                 │
│            Some vulnerabilities require your attention to resolve            │
│                                                                              │
│         Visit https://go.npm.me/audit-guide for additional guidance          │
└──────────────────────────────────────────────────────────────────────────────┘
┌───────────────┬──────────────────────────────────────────────────────────────┐
│ High          │ Prototype Pollution                                          │
├───────────────┼──────────────────────────────────────────────────────────────┤
│ Package       │ object-path                                                  │
├───────────────┼──────────────────────────────────────────────────────────────┤
│ Patched in    │ >=0.11.5                                                     │
├───────────────┼──────────────────────────────────────────────────────────────┤
│ Dependency of │ react-scripts                                                │
├───────────────┼──────────────────────────────────────────────────────────────┤
│ Path          │ react-scripts > resolve-url-loader > adjust-sourcemap-loader │
│               │ > object-path                                                │
├───────────────┼──────────────────────────────────────────────────────────────┤
│ More info     │ https://npmjs.com/advisories/1573                            │
└───────────────┴──────────────────────────────────────────────────────────────┘
found 1 high severity vulnerability in 1697 scanned packages
  1 vulnerability requires manual review. See the full report for details.

[ben-nathanson]

This is a duplicate of #10. Closing now.