chore(deps): bump @guardian/eslint-config-typescript in /cdk

Bumps [@guardian/eslint-config-typescript](https://github.com/guardian/csnx) from 5.0.0 to 12.0.0.
- [Release notes](https://github.com/guardian/csnx/releases)
- [Commits](https://github.com/guardian/csnx/compare/@guardian/[email protected]...@guardian/[email protected])

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

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