Bump serde from 1.0.144 to 1.0.185 in /tests/wasm-workspace

Bumps [serde](https://github.com/serde-rs/serde) from 1.0.144 to 1.0.185.
- [Release notes](https://github.com/serde-rs/serde/releases)
- [Commits](serde-rs/serde@v1.0.144...v1.0.185)

---
updated-dependencies:
- dependency-name: serde
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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