Weather.jsx: Input debounced search

[Hrishikesh-Dalal]

Implement debounced search for the city input field to reduce unnecessary API calls while the user is typing.

[vansh2408]

@Hrishikesh-Dalal Please assign.

[Hrishikesh-Dalal]

Assigned to you @vansh2408

[techieadi4703]

I have resolved this issue and raised a PR for the same.
Kindly review it and merge if everything looks fine.