Bump jest from 29.5.0 to 29.6.1 in /wasm/hello-emscripten/tests (#399)

Bumps [jest](https://github.com/facebook/jest/tree/HEAD/packages/jest) from 29.5.0 to 29.6.1.
- [Release notes](https://github.com/facebook/jest/releases)
- [Changelog](https://github.com/jestjs/jest/blob/main/CHANGELOG.md)
- [Commits](https://github.com/facebook/jest/commits/v29.6.1/packages/jest)

---
updated-dependencies:
- dependency-name: jest
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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