build(deps-dev): bump @aws-cdk/cloudformation-diff from 2.25.0 to 2.27.0 (#937)

Bumps [@aws-cdk/cloudformation-diff](https://github.com/aws/aws-cdk/tree/HEAD/packages/@aws-cdk/cloudformation-diff) from 2.25.0 to 2.27.0.
- [Release notes](https://github.com/aws/aws-cdk/releases)
- [Changelog](https://github.com/aws/aws-cdk/blob/main/CHANGELOG.v2.md)
- [Commits](https://github.com/aws/aws-cdk/commits/v2.27.0/packages/@aws-cdk/cloudformation-diff)

---
updated-dependencies:
- dependency-name: "@aws-cdk/cloudformation-diff"
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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