Update lxml requirement from <5.4,>=5.2.2 to >=5.2.2,<6.1

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-5.2.2...lxml-6.0.2)

---
updated-dependencies:
- dependency-name: lxml
  dependency-version: 6.0.2
  dependency-type: direct:production
...

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

Author: dependabot[bot]

setup.py

@@ -36,7 +36,7 @@
     "boto3>=1.26,<2.0",
     "websockets>=14.2,<17",
     "PyYAML>=6.0.1",
-    "lxml>=5.2.2,<5.4",
+    "lxml>=5.2.2,<6.1",
     "lxml_html_clean>=0.1.1,<0.5",
     "python-twitter>=3.5,<3.6",
     "chardet<6.0",