deps: bumped up sabi to 0.4

[sttk]

T/O.

[Copilot]

Pull Request Overview

This PR updates the sabi-rust dependency from version 0.2 to 0.4 and modifies test code to use the new API patterns introduced in the updated version.

• Updated sabi-rust dependency from 0.2 to 0.4 in Cargo.toml
• Refactored test code to use sabi::run! macro instead of the previous hub.run() method
• Renamed variable from hub to data for better clarity in test functions

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
Cargo.toml	Updates sabi-rust dependency version from 0.2 to 0.4
src/standalone.rs	Adapts test code to use new sabi API with run! macro and improved variable naming

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