Bump boto3 from 1.40.0 to 1.40.15 (#1731)

Bumps [boto3](https://github.com/boto/boto3) from 1.40.0 to 1.40.15.
- [Release notes](https://github.com/boto/boto3/releases)
- [Commits](boto/boto3@1.40.0...1.40.15)

---
updated-dependencies:
- dependency-name: boto3
  dependency-version: 1.40.15
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]