build(deps-dev): bump aws-sdk from 2.1055.0 to 2.1056.0 (#462)

Bumps [aws-sdk](https://github.com/aws/aws-sdk-js) from 2.1055.0 to 2.1056.0.
- [Release notes](https://github.com/aws/aws-sdk-js/releases)
- [Changelog](https://github.com/aws/aws-sdk-js/blob/master/CHANGELOG.md)
- [Commits](aws/aws-sdk-js@v2.1055.0...v2.1056.0)

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

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