Updates a cell to replace the list of nested cells with a new list of nested cells.
See https://www.paws-r-sdk.com/docs/route53recoveryreadiness_update_cell/ for full documentation.
route53recoveryreadiness_update_cell(CellName, Cells)
[required] The name of the cell.
[required] A list of cell Amazon Resource Names (ARNs), which completely replaces the previous list.