Run npm audit fix updating vulnerable deps (#445)

```
❯ npm audit --prefix assets

braces  <3.0.3
Severity: high
Uncontrolled resource consumption in braces - GHSA-grv7-fg5c-xmjg
fix available via `npm audit fix`
node_modules/braces

ws  8.0.0 - 8.17.0
Severity: high
ws affected by a DoS when handling a request with many HTTP headers - GHSA-3h5v-q93c-6h6q
fix available via `npm audit fix`
node_modules/ws

2 high severity vulnerabilities
```

Address all issues, by running:

```
npm audit fix
```