Encode title and authors as utf-8
Encode title and authors as utf-8

This is part of the changes needed to deal with all the types of
characters that can occur in an ENA file.

RNAcentral/rnacentral-import-pipeline,RNAcentral/rnacentral-import-pipeline,RNAcentral/rnacentral-import-pipeline,RNAcentral/rnacentral-import-pipeline