chore(deps): bump aws-encryption-sdk from 3.1.1 to 3.2.0 (#3983)

Bumps [aws-encryption-sdk](https://github.com/aws/aws-encryption-sdk-python) from 3.1.1 to 3.2.0.
- [Release notes](https://github.com/aws/aws-encryption-sdk-python/releases)
- [Changelog](https://github.com/aws/aws-encryption-sdk-python/blob/master/CHANGELOG.rst)
- [Commits](aws/aws-encryption-sdk-python@v3.1.1...v3.2.0)

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

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]