MySQL - Wrong conversion when type is date convert to datetime

## Description
Quaint returns a wrong type when the type is date in the database for MySQL, Quaint returns a datetime.

### Example: 
**SQL**
```
SELECT CURRENT_DATE();
```

**SQLX result**
`2022-12-24`

**Quaint result**
`2022-12-24T00:00:00.000Z`



