[Repo Assist] chore: update dependencies to latest compatible versions

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Summary

Routine dependency maintenance: ran cargo update to bring all transitive dependencies up to their latest semver-compatible (patch/minor) versions. No direct dependency version constraints in Cargo.toml were changed, and no new dependencies were introduced.

Notes

• Several unused transitive crates were dropped from the lockfile (e.g. wasm-encoder, wit-parser, wit-bindgen*, prettyplease, id-arena, leb128fmt, hashbrown, indexmap, foldhash, fast-srgb8) as their dependents no longer require them at the updated versions.
• No breaking changes expected since these are all patch/minor bumps within existing semver ranges.

Test Status

• cargo check --all-targets: passed
• cargo fmt -- --check: passed
• cargo test: 388 passed, 0 failed
• cargo clippy --all-targets -- -D warnings: no warnings

AI Disclosure

🤖 This PR was created by Repo Assist, an automated AI assistant, as part of scheduled engineering maintenance (Task 4: Engineering Investments). Please review before merging.

Generated by Repo Assist · auto · 59.8 AIC · ⌖ 12.9 AIC · ⊞ 17K · ◷
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Commit pushed: 61e8797

Generated by Repo Assist · auto · 86.7 AIC · ⌖ 13.8 AIC · ⊞ 17K