fix: resolve rust dependabot updates

[wolfiesch]

Summary

• switch the local Rust adapter from the stale git calamine package to the published calamine-styles crate while preserving the calamine import alias
• update thin-vec from 0.2.14 to 0.2.16 so the Dependabot security update can resolve

Verification

• cargo check --features calamine
• cargo check --all-features
• uv run pytest tests/test_rust_integration.py -v
• uv run ruff check
• uv run mypy

[Copilot]

Pull request overview

Updates the Rust integration crate dependencies to resolve Dependabot/security updates while keeping the Rust code’s existing calamine import surface intact.

Changes:

• Switch the calamine dependency from a git fork to the published calamine-styles crate via Cargo dependency renaming.
• Update the locked transitive dependency thin-vec from 0.2.14 to 0.2.16 in Cargo.lock.

Reviewed changes

Copilot reviewed 1 out of 2 changed files in this pull request and generated no comments.

File	Description
rust/excelbench_rust/Cargo.toml	Moves calamine backend to the published calamine-styles crate while preserving the calamine dependency name for imports.
rust/excelbench_rust/Cargo.lock	Reflects the dependency source change (git → crates.io) and updates the resolved thin-vec version.

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