Experimenting with more structured ways to handle command-line input/output in Rust

Update dependencies to latest versions

The only hack required was manually converting icu_locid and icu_locale for fluent_langneg

Created by  finchie  on March 5, 2025
7M4UI3TWQIAA333GQ577HDWDWZPSZKWCYG556L6SBRLB6SZDQYPAC
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