Zenodo action: support update based on concept DOI / DOI

[eblondel]

When a DOI is available as identifier of an entity, the Zen4R action should try to get existing Zenodo record based on this DOI, first with a attempt by Concept DOI (assuming the DOI is a concept DOI), next to get record by simple DOI. This will allow to get/update published records (update metadata only) including existing versions of a record that are uniquely identified with a DOI.

[eblondel]

This requires Zen4R feature eblondel/zen4R#21

[eblondel]

@juldebar For the time being, this allows to edit either the latest record (if the concept DOI is specified as identifier of the entity), or a specific version (if a specific DOI is specified). I've investigated the batch update of all versions for a given Zenodo record. In principle this should be feasible but this requires a major refactoring of the zen4r deposit action.