patch https://api.officient.io/1.0/fleet/
Scope required: basics:write
Fuel type used. Can either be "", "gas", "diesel", "electric", "fuel_cells" or "natural_gas"
Contract types: Can either be "", "buy", "hire", "op_lease" or "fin_lease"
Fields 'plate' and 'fuel' are only required for types 'car' and 'bike'.
Field 'end_date_previously_assigned_employee' is only required when the integration requires it. (format : d/m/Y 18/01/2023)