Bump lxml from 5.1.0 to 5.2.1

Bumps [lxml](https://github.com/lxml/lxml) from 5.1.0 to 5.2.1.
- [Release notes](https://github.com/lxml/lxml/releases)
- [Changelog](https://github.com/lxml/lxml/blob/master/CHANGES.txt)
- [Commits](lxml/lxml@lxml-5.1.0...lxml-5.2.1)

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

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

pyproject.toml

@@ -22,7 +22,7 @@ extruct = "0.16.0"
 feedparser = "6.0.11"
 nest-asyncio = "1.6.0"
 scrapy = "2.11.1"
-lxml = "5.1.0"  # line can be removed if https://github.com/scrapinghub/extruct/issues/215 is resolved
+lxml = "5.2.1"  # line can be removed if https://github.com/scrapinghub/extruct/issues/215 is resolved
 
 [tool.poetry.group.dev.dependencies]
 pytest = "8.1.1"