Bump yaml and zx (act-rules#2056)

* Bump yaml and zx

Bumps [yaml](https://github.com/eemeli/yaml) to 2.2.2 and updates ancestor dependency [zx](https://github.com/google/zx). These dependencies need to be updated together.


Updates `yaml` from 1.10.2 to 2.2.2
- [Release notes](https://github.com/eemeli/yaml/releases)
- [Commits](eemeli/yaml@v1.10.2...v2.2.2)

Updates `zx` from 5.3.0 to 7.2.1
- [Release notes](https://github.com/google/zx/releases)
- [Commits](google/zx@5.3.0...7.2.1)

---
updated-dependencies:
- dependency-name: yaml
  dependency-type: indirect
- dependency-name: zx
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <support@github.com>

* Trigger CLA?

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Jean-Yves Moyen <jym@siteimprove.com>

Author: dependabot[bot]