feat: update utility functions to accomodate permissionless and permissioned handlers

[wainola]

Implements and rename utility functions to prepare data for permissionless and permissioned generic handler

Description

• rename and modify createGenericDepositDataV1 into createPermissionlessGenericDepositData
• create createPermissionedGenericDepositData

Related Issue Or Context

Closes: #128

How Has This Been Tested? Testing details.

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation

Checklist:

• I have commented my code, particularly in hard-to-understand areas.
• I have ensured that all acceptance criteria (or expected behavior) from issue are met
• I have updated the documentation locally and in chainbridge-docs.
• I have added tests to cover my changes.
• I have ensured that all the checks are passing and green, I've signed the CLA bot