Add People Specialist team as main administrator of the Relocation process.

Why is this change being made?

@gl-peopleops this MR is to ensure the People Specialist team handles the communication and administration, approval and finalisation process of relocations. Often when we get the request from Manager's or PBP's the assumption is that eligibility has already been checked.

This assist us in confirming eligibility right at the beginning of the relocation request (more specifically for international relocations and not in-country relocations).

cc @gl-peoplepartners

Author Checklist

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