chore: bump version to 0.1.8 (#33)

* chore: bump version to 0.1.8

* fix(release): sync Cargo.lock versions to 0.1.8

* fix(release): refresh readiness API schema for 0.1.8

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Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
Co-authored-by: echobt <echobt@users.noreply.github.com>

Author: echobt