build(deps-dev): bump cdk-assets from 2.21.1 to 2.22.0 (#820)

Bumps [cdk-assets](https://github.com/aws/aws-cdk/tree/HEAD/packages/cdk-assets) from 2.21.1 to 2.22.0.
- [Release notes](https://github.com/aws/aws-cdk/releases)
- [Changelog](https://github.com/aws/aws-cdk/blob/v2.22.0/CHANGELOG.v2.md)
- [Commits](https://github.com/aws/aws-cdk/commits/v2.22.0/packages/cdk-assets)

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

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Author: dependabot[bot]