chore(deps): bump @aws-cdk/assert from 1.92.0 to 1.93.0 in /source

Bumps [@aws-cdk/assert](https://github.com/aws/aws-cdk/tree/HEAD/packages/@aws-cdk/assert) from 1.92.0 to 1.93.0.
- [Release notes](https://github.com/aws/aws-cdk/releases)
- [Changelog](https://github.com/aws/aws-cdk/blob/master/CHANGELOG.md)
- [Commits](https://github.com/aws/aws-cdk/commits/v1.93.0/packages/@aws-cdk/assert)

Signed-off-by: dependabot[bot] <support@github.com>