build(deps-dev): bump aws-cdk from 1.137.0 to 1.138.0 (#437)

Bumps [aws-cdk](https://github.com/aws/aws-cdk/tree/HEAD/packages/aws-cdk) from 1.137.0 to 1.138.0.
- [Release notes](https://github.com/aws/aws-cdk/releases)
- [Changelog](https://github.com/aws/aws-cdk/blob/master/allowed-breaking-changes.txt)
- [Commits](https://github.com/aws/aws-cdk/commits/v1.138.0/packages/aws-cdk)

---
updated-dependencies:
- dependency-name: aws-cdk
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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Author: dependabot[bot]