Migrations: Update adapter to support callback for when a new collection is being processed

[eecavanna]

Tasks

• [ ] Add a callback parameter to the process_each_document adapter function

References

• You can see the callbacks that AdapterBase subclasses have access to today, in: adapter_base.py

  https://github.com/microbiomedata/nmdc-schema/blob/aa028108b4450f2ae0c8cff486f3b38a026725af/nmdc_schema/migrators/adapters/adapter_base.py#L11-L16

[eecavanna]

I don't remember why I wanted this to exist. Closing until I remember.