[Bug]: Timeout gives 502 response and config is not taken into account

### What happened?

The default 30 seconds timeout on connections cause the API to return 502.

The connect string contains `Timeout=15; Command Timeout=180` but the parameters are always ignored.

### Version

1.4.6

### What database are you using?

PostgreSQL

### What hosting model are you using?

Custom Docker host

### Which API approach are you accessing DAB through?

REST

### Relevant log output

```Text
N/A - nothing interesting in logs
```

### Code of Conduct

- [x] I agree to follow this project's Code of Conduct