Migrated cron collection to ODM

[Nydauron]

To be merged into staging feature branch feat/beanie-odm/master

Description

Migrates over cron collection to use Beanie ODM

Checks

• I ran black over the code to ensure formatting.
• I added docstrings to any new modules, classes, and methods.
• I updated the docstrings of any updated modules, classes, and methods.
• I added/updated Python typings for any new/updated class and module.
• I updated the bot version (if necessary).
• I ran mypy and reviewed any shown errors related to my changes.

Important Info

• This pull request adds new pip dependencies.
• This pull request adds new external dependencies.
• This pull request changes the required versions of some dependencies.

Issues Closed

My pull request closes the following issues:

• N/A

Thank You

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in a promptly manner. If not done, please feel free to contact @cbrxyz.

[Nydauron]

Not too sure if this magic number should be DISCORD_AUTOCOMPLETE_MAX_ENTRIES or something different.