Bump @smithy/node-http-handler from 4.0.2 to 4.0.3

Bumps [@smithy/node-http-handler](https://github.com/awslabs/smithy-typescript/tree/HEAD/packages/node-http-handler) from 4.0.2 to 4.0.3.
- [Release notes](https://github.com/awslabs/smithy-typescript/releases)
- [Changelog](https://github.com/smithy-lang/smithy-typescript/blob/main/packages/node-http-handler/CHANGELOG.md)
- [Commits](https://github.com/awslabs/smithy-typescript/commits/@smithy/node-http-handler@4.0.3/packages/node-http-handler)

---
updated-dependencies:
- dependency-name: "@smithy/node-http-handler"
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]