chore(deps): bump python-hcl2 in /api/terraform/python/layer_openai

Bumps [python-hcl2](https://github.com/amplify-education/python-hcl2) from 4.3.5 to 5.1.1.
- [Release notes](https://github.com/amplify-education/python-hcl2/releases)
- [Changelog](https://github.com/amplify-education/python-hcl2/blob/main/CHANGELOG.md)
- [Commits](amplify-education/python-hcl2@v4.3.5...v5.1.1)

---
updated-dependencies:
- dependency-name: python-hcl2
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

api/terraform/python/layer_openai/requirements.txt

@@ -17,4 +17,4 @@ openai==1.50.2
 pydantic==2.9.2
 pydantic-settings==2.5.2
 python-dotenv==1.0.1
-python-hcl2==4.3.5
+python-hcl2==5.1.1