Minor updates

Some minor updates since the last release.
This release is mainly here to rollback to if updates don't work out as expected.

Data engineering cluster

A version that runs on the data engineering cluster and uses new style configuration with DET prefixes for the environment variables.

This release also includes:

• research_themes is by default set to empty list
• fixes empty organizations with HKU
• adds keywords for SIA
• prevents empty objects for authors with HKU
• allows for different secrets for Sharekit with Edusources and Publinova projects
• various improvements to the code in general

Production

The first stable version that is expected to be released on production