task: Add ZED_PACKAGE task variable in Rust files. (#9491)

This variable is experimental, as I expect it to be superseded by
whatever the extensions can provide (once we get them)

Release Notes:

- Added experimental ZED_PACKAGE task variable which contains name of
the current crate in Rust files.

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Co-authored-by: Kirill <kirill@zed.dev>
07dbee8651Piotr Osiewicz committed on 3/18/2024, 11:18:42 AM· committed by GitHubparenta69eddc
3 files changedLine totals unavailable