Bump vendor/jco from d7ec53f to d967800

Bumps [vendor/jco](https://github.com/bytecodealliance/jco) from `d7ec53f` to `d967800`.
- [Release notes](https://github.com/bytecodealliance/jco/releases)
- [Commits](bytecodealliance/jco@d7ec53f...d967800)

---
updated-dependencies:
- dependency-name: vendor/jco
  dependency-type: direct:production
...

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Author: dependabot[bot]