DOI Service Bug fixes and Enhancements for Filenames, relatedItems, and lblx file extensions

[tloubrieu-jpl]

• doi-service does not process filenames having UTF-8 characters #418
• doi-service must process "relatedItems" in json  #417
• doi-service does not process files with "lblx" file extension #416

[jordanpadams]

📆 01/2024 status: Delayed 2 sprints due to personnel being pulled for OPERA delivery. No impact on delivery anticipated.

[jordanpadams]

📆 02/2024 status: Deferring due to personnel unavailable until April. These are nice-to-have improvements that are not required for the function of the software. Known workarounds exist to complete these tasks.

[jordanpadams]

This is internal operations software so EN Operations approves this deferral.