Info API: Added GetDeposits method

[0xBoringWozniak]

This pull request introduces several enhancements to the hyperliquid package, focusing on adding support for deposit information alongside existing withdrawal functionalities. The key changes include the addition of a new Deposit struct, corresponding methods to fetch deposit data, and related test cases.

Enhancements to data structures:

• Added Time field to the Withdrawal struct to include timestamp information.
• Introduced a new Deposit struct to represent deposit transactions, with fields for Hash, Time, and Amount.

New methods for fetching deposit data:

• Implemented GetDeposits and GetAccountDeposits methods in InfoAPI to retrieve deposit information for a given address or the account address.

Updates to existing methods:

• Modified GetWithdrawals method to populate the Time field in Withdrawal struct.

Test cases:

• Added a new test case TestInfoAPI_GetAccountDeposits to verify the functionality of the GetAccountDeposits method.