feat(ingest): Update datasets package in ingest

[anna-parker]

resolves #2828

preview URL: https://fix-nci-datasets.loculus.org/

Summary

Apply error log suggestions (see below) and update the datasets package.

For best results
1. Make sure to use --as-json-lines with the datasets command
2. Make sure that you're using the latest version of the datasets command line tool

Screenshot

Sequences are showing up again for cchf and west nile: