Bump @smithy/node-http-handler from 3.1.1 to 3.1.2

Bumps [@smithy/node-http-handler](https://github.com/awslabs/smithy-typescript/tree/HEAD/packages/node-http-handler) from 3.1.1 to 3.1.2.
- [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/[email protected]/packages/node-http-handler)

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

Signed-off-by: dependabot[bot] <[email protected]>