chore: release v0.0.18

[bullet-release]

🤖 New release

• bullet-rust-sdk: 0.0.17 -> 0.0.18

Changelog

0.0.18 - 2026-05-14

Features

• (ws) add OrderResult variants to TaggedMessage (#66)

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This PR was generated with release-plz.

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Note

Low Risk
Low risk release bookkeeping only: version bumps in Cargo/NPM metadata and lockfile plus a changelog entry, with no functional code changes in this diff.

Overview
Updates the workspace, bullet-rust-sdk, and bullet-rust-sdk-wasm versions from 0.0.17 to 0.0.18, including the WASM package.json and Cargo.lock.

Adds the 0.0.18 entry to rust/CHANGELOG.md describing the release feature.

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Summary by cubic

Release v0.0.18 adds OrderResult variants to the WebSocket TaggedMessage so clients can handle order results explicitly.
Versions are synced to 0.0.18 for bullet-rust-sdk, bullet-rust-sdk-wasm, and @bulletxyz/sdk-wasm.

^{Written for commit b5e2a34. Summary will update on new commits.}