Bump openapi-python-client from 0.21.2 to 0.21.6

Bumps [openapi-python-client](https://github.com/openapi-generators/openapi-python-client) from 0.21.2 to 0.21.6.
- [Release notes](https://github.com/openapi-generators/openapi-python-client/releases)
- [Changelog](https://github.com/openapi-generators/openapi-python-client/blob/main/CHANGELOG.md)
- [Commits](openapi-generators/openapi-python-client@v0.21.2...v0.21.6)

---
updated-dependencies:
- dependency-name: openapi-python-client
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

poetry.lock

@@ -9,7 +9,7 @@ packages = [{include = "smallstep"}]
 
 [tool.poetry.dependencies]
 python = "^3.9"
-openapi-python-client = "0.21.2"
+openapi-python-client = "0.21.6"
 pydantic-settings = "2.3.4"
 pyhumps = "^3.8.0"