Style module | Update Style Feature

### User Story

As a barber, I want to be able to update information about style in the Style's collection. This includes updating details such as style titles, details, photos. When I identify a style that requires an update, I should be able to modify the relevant information and save the changes.

### DAO
- [ ] updateStyle()

### Service

- [ ] updateStyle()

### J-unit Tests

- [ ] testValidUpdateStyle()
- [ ] testInvalidUpdateStyle()

### Estimation
- [ ] 3 hours

### Flow Chart

```mermaid
graph TD
A[[Start]] --> B([barber Initiates Update Style])
B --> C[(Search Style to Update)]
C --> |Style Not Found| D{{Service Exception}}
D --> |Fail| E([Failed to Update Style])
C --> |Style Found| G([Update Style Details])
G --> |Save Changes| F([Style Updated Successfully!])
E --> I[[End]]
F --> |Returns Style| I

```