[2025-03-11] New endpoints to set and delete required qualified staff numbers

Endpoint:

• api/v1/shift_rotation_groups/required_fully_qualified_employees
• api/v1/shift_rotation_groups/required_fully_qualified_employees/{id}

Method: PUT, DELETE

Change: New method/endpoint to set and delete the required number of fully qualified employees assigned to a specific shift rotation group at a specific locations position.