`PartialUpdateElement` documentation is incomplete

See https://arkindex.teklia.com/api-docs/#tag/elements/operation/PartialUpdateElement

It says rename an element while it can do many other things...

See https://gitlab.teklia.com/arkindex/backend/-/blob/9cf9649aaf39954407078d7ea6492da57fba2f30/arkindex/documents/api/elements.py#L1200