Booking Module | Update Request Status Feature

# Update Booking request Status
## User Story
As a desired User I am able to cancel the booking whenever I needed to .
## Task
- [ ] Implementation of DAO Layer
- [ ] implementation of Service Layer
- [ ] Implementation of Validation layer
- [ ] Implementation of JUnit Test cases
- [ ] Ensure the test cases are passing
- [ ] write code with comments

## Dao
- [ ] updateRequestSts

## Services
- [ ] updateRequestStatus

## Validation
- [ ] Booking Id Validation

## JUnit
### Dao
- [ ] updateRequestSts Test
### Service
- [ ] updateRequestStatus Test
### Validation
- [ ] Booking Id Validation

## Estimation time
45 mins

## FlowChart
```mermaid
graph TD;
A[Start]
B[ End ]
C[ Booking Id Validation ]
D[Validation Exception ]
E[ Update Request Status ]
F[Updated Request ]
G[Service Exception]
A --> C
C -->|Invalid| D
D --> G
C -->|Valid| E
E -->|Fails | G
E -->|Success| F
G --> B

F --> B