Bump pytest from 7.1.1 to 8.4.2 in /cdk (#26)

Bumps [pytest](https://github.com/pytest-dev/pytest) from 7.1.1 to 8.4.2.
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@7.1.1...8.4.2)

---
updated-dependencies:
- dependency-name: pytest
  dependency-version: 8.4.2
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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Author: dependabot[bot]