bau: fix broken build

Build on master failing with

```
10:37:00  + npm audit
10:37:01  === npm audit security report ===
10:37:01
10:37:01  # Run  npm update terser-webpack-plugin --depth 2  to resolve 1 vulnerability
10:37:01
10:37:01    High            Remote Code Execution
10:37:01
10:37:01    Package         serialize-javascript
10:37:01
10:37:01    Dependency of   webpack [dev]
10:37:01
10:37:01    Path            webpack > terser-webpack-plugin > serialize-javascript
10:37:01
10:37:01    More info       https://npmjs.com/advisories/1548
10:37:01
10:37:01
10:37:01
10:37:01  found 1 high severity vulnerability in 1189 scanned packages
10:37:01    run `npm audit fix` to fix 1 of them.
```

This commit is the result of running `npm audit fix`.