Propose and approve a spend of treasury funds.

## Dispatch Origin

Must be [`Config::SpendOrigin`] with the `Success` value being at least `amount`.

### Details
NOTE: For record-keeping purposes, the proposer is deemed to be equivalent to the
beneficiary.

### Parameters
- `amount`: The amount to be transferred from the treasury to the `beneficiary`.
- `beneficiary`: The destination account for the transfer.

## Events

Emits [`Event::SpendApproved`] if successful.

- **Problem Statement:** Lack of detailed information provided in the post.
- **Significance:** Important for conveying the purpose and content of the post effectively.
- **Proposed Solution:** Provide a concise summary of the post content.
- **Expected Outcomes:** Improved understanding and engagement with the post.

#196 Test Post 2

No Active Proposals