Bump @bytecodealliance/jco in /src/wasm_sandbox/guests/javascript (#53)

Bumps [@bytecodealliance/jco](https://github.com/bytecodealliance/jco) from 1.17.6 to 1.18.1.
- [Release notes](https://github.com/bytecodealliance/jco/releases)
- [Commits](bytecodealliance/jco@jco-v1.17.6...jco-v1.18.1)

---
updated-dependencies:
- dependency-name: "@bytecodealliance/jco"
  dependency-version: 1.18.1
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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