chore(deps-dev): bump @middy/http-header-normalizer from 4.6.5 to 4.7.0

Bumps [@middy/http-header-normalizer](https://github.com/middyjs/middy/tree/HEAD/packages/http-header-normalizer) from 4.6.5 to 4.7.0.
- [Release notes](https://github.com/middyjs/middy/releases)
- [Changelog](https://github.com/middyjs/middy/blob/main/docs/CHANGELOG.md)
- [Commits](https://github.com/middyjs/middy/commits/4.7.0/packages/http-header-normalizer)

---
updated-dependencies:
- dependency-name: "@middy/http-header-normalizer"
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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