Incorrect type in ImageStatics interface

### Description

The type to be correct, so that typescript can correctly can identify the type

### CodeSandbox/Snack link

https://snack.expo.dev/ORETTzlFd

### Steps to reproduce

1. Go to line 6 and hover over getSize method.
2. See incorrect documentation for method

### NativeBase Version

3.4.6

### Platform

- [ ] Android
- [ ] CRA
- [X] Expo
- [ ] iOS
- [ ] Next

### Other Platform

_No response_

### Additional Information

Seems the type should be corrected here:

https://github.com/GeekyAnts/NativeBase/blob/5d756932a01f20f0400dcb75a3e58766ca4c7a30/src/components/primitives/Image/index.tsx#L100

For some reason the expo.snack can't find the method at all, but that should be irrelevant