Bump thin-vec from 0.2.14 to 0.2.18

Bumps [thin-vec](https://github.com/mozilla/thin-vec) from 0.2.14 to 0.2.18.
- [Changelog](https://github.com/mozilla/thin-vec/blob/main/RELEASES.md)
- [Commits](https://github.com/mozilla/thin-vec/commits)

---
updated-dependencies:
- dependency-name: thin-vec
  dependency-version: 0.2.16
  dependency-type: indirect
...

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Author: dependabot[bot]