Matches https://github.com/ilyagr/pijul-clone as of now, might become out of sync

Upgrade `clap` 3.2 -> 4.3

Only notable change in this churn is the new clap_debug_asserts test which should help catch most derive macro errors.

Created by  finchie  on August 17, 2023
5RSZPNQRUWZFLQIV64CAP4D47BHY4UCBY2R57NB2VCZ5VZF5SBGQC
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