[Change]: Migrate from Motor (future deprecation) library to PyMongo

[HeliosLHC]

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What change would you like to see?

This inquiry is mostly to serve as a task tracker for this upcoming deprecation

Migrate from the current Motor library which is planned for deprecation in May 14, 2026 to the official replacement pymongo library:

Reference: https://www.mongodb.com/docs/languages/python/pymongo-driver/current/reference/migration/

Additional details

No response