chore(deps): bump httpx from 0.27.2 to 0.28.1 (#11)

Bumps [httpx](https://github.com/encode/httpx) from 0.27.2 to 0.28.1.
- [Release notes](https://github.com/encode/httpx/releases)
- [Changelog](https://github.com/encode/httpx/blob/master/CHANGELOG.md)
- [Commits](encode/httpx@0.27.2...0.28.1)

---
updated-dependencies:
- dependency-name: httpx
  dependency-version: 0.28.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

poetry.lock

@@ -9,7 +9,7 @@ packages = [{ include = "osv_vuln_bot", from = "src" }]
 
 [tool.poetry.dependencies]
 python = ">=3.11,<3.13"
-httpx = "^0.27.0"
+httpx = "^0.28.1"
 
 [tool.poetry.group.dev.dependencies]
 pytest = "^8.2.0"