Build(deps-dev): Bump @guardian/eslint-config-typescript in /cdk

Bumps [@guardian/eslint-config-typescript](https://github.com/guardian/csnx) from 1.0.1 to 3.0.0.
- [Release notes](https://github.com/guardian/csnx/releases)
- [Commits](https://github.com/guardian/csnx/compare/@guardian/source@1.0.1...@guardian/eslint-config-typescript@3.0.0)

---
updated-dependencies:
- dependency-name: "@guardian/eslint-config-typescript"
  dependency-version: 3.0.0
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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Author: dependabot[bot]