Bump vendor/jco from 60f4cbc to 2f1e4d8

Bumps [vendor/jco](https://github.com/bytecodealliance/jco) from `60f4cbc` to `2f1e4d8`.
- [Release notes](https://github.com/bytecodealliance/jco/releases)
- [Commits](bytecodealliance/jco@60f4cbc...2f1e4d8)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]