chore(deps): bump httpx from 0.27.2 to 0.28.0

Bumps [httpx](https://github.com/encode/httpx) from 0.27.2 to 0.28.0.
- [Release notes](https://github.com/encode/httpx/releases)
- [Changelog](https://github.com/encode/httpx/blob/master/CHANGELOG.md)
- [Commits](encode/httpx@0.27.2...0.28.0)

---
updated-dependencies:
- dependency-name: httpx
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

poetry.lock

@@ -19,7 +19,7 @@ packages = [
 
 [tool.poetry.dependencies]
 python = "^3.9"
-httpx = {version = ">=0.26,<0.28", extras = ["http2"]}
+httpx = {version = ">=0.26,<0.29", extras = ["http2"]}
 deprecation = "^2.1.0"
 pydantic = ">=1.9,<3.0"
 strenum = {version = "^0.4.9", python = "<3.11"}