Update lxml requirement from ^4.9.3 to ^5.1.0

Updates the requirements on [lxml](https://github.com/lxml/lxml) to permit the latest version.
- [Release notes](https://github.com/lxml/lxml/releases)
- [Changelog](https://github.com/lxml/lxml/blob/master/CHANGES.txt)
- [Commits](lxml/lxml@lxml-4.9.3...lxml-5.1.0)

---
updated-dependencies:
- dependency-name: lxml
  dependency-type: direct:production
...

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

pyproject.toml

@@ -15,7 +15,7 @@ beautifulsoup4 = "^4.12.2"
 fastapi = "^0.104.0"
 httpx = {extras = ["http2"], version = "^0.26.0"}
 loguru = "^0.7.2"
-lxml = "^4.9.3"
+lxml = "^5.1.0"
 redis = "^5.0.1"
 uvicorn = {extras = ["standard"], version = "^0.25.0"}
 pydantic = "^2.4.2"