bulkrax not configured to update collections

[lsat12357]

Descriptive summary

I just confirmed by testing this: bulkrax validates presence of required fields, and currently the list it uses is for works, and there are things in the list that are not only NOT required for collections, in some cases they are also not recognized properties on collections and will therefore fail.
I think it will be possible to insert a method to validate required fields in the case of a collection.

Expected behavior

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