A list of object specifying the dependency.
Each object {} must include:
dependency_type: type of dependency, must be one of [start_date_to_start_date, end_date_to_end_date, start_date_to_end_date, end_date_to_start_date], see note 2 for explainations
follower_type: type of the follower object, must be one of [phase, work_plan, task, scope]
follower_id: id of the follwer object
leader_type: type of the leader object, must be one of [phase, work_plan, task, scope]
leader_id: id of the leader object
Note 1: Both follower and leader must belong to the same Mosaic project.
Note 2: The semantics of related date dependecy_type: {leader_date}to{follower_date}
Note 3: To create a dependency,follower and leader should not be in a circular dependency.
