[Core] Autoupdater

Oclif has handly utilities to manage CLI updates:

- [Autoupdater](https://oclif.io/docs/releasing.html#autoupdater)
- [plugin-warn-if-update-available](https://github.com/oclif/plugin-warn-if-update-available)

These are definitely worth configuring.

Read the linked oclif Autoupdater and plugin-warn-if-update-available documentation, then inspect this CLI's oclif configuration and package setup. Determine how those utilities are configured here; the work is done when the CLI has the intended update-management behavior described by the issue.

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