chore(deps): bump MSRV to 1.89.0

[overlookmotel]

#15163 bumped us up to Rust 1.91.0. Bump MSRV to 1.89.0, following our +2 MSRV policy.

[overlookmotel]

• feat(allocator): add Address::from_ref method #15318
• chore(deps): bump MSRV to 1.89.0 #15317 👈 (View in Graphite)
• main

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[Copilot]

Pull Request Overview

This PR updates the Minimum Supported Rust Version (MSRV) from 1.88.0 to 1.89.0 in the Cargo.toml workspace configuration, following the project's N-2 MSRV policy with a 12-week balance between using latest Rust features and allowing dependents to catch up.

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[graphite-app]

Merge activity

• Nov 5, 12:15 PM UTC: overlookmotel added this pull request to the Graphite merge queue.
• Nov 5, 12:22 PM UTC: Merged by the Graphite merge queue.