build(deps): Bump lxml from 4.9.1 to 4.9.2 in /requirements

Bumps [lxml](https://github.com/lxml/lxml) from 4.9.1 to 4.9.2.
- [Release notes](https://github.com/lxml/lxml/releases)
- [Changelog](https://github.com/lxml/lxml/blob/master/CHANGES.txt)
- [Commits](lxml/lxml@lxml-4.9.1...lxml-4.9.2)

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

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

requirements/base.txt

@@ -28,7 +28,7 @@ idna==3.4
     # via rfc3986
 joblib==1.2.0
     # via nltk
-lxml==4.9.1
+lxml==4.9.2
     # via
     #   python-docx
     #   unstructured (setup.py)

requirements/huggingface.txt

@@ -45,7 +45,7 @@ joblib==1.2.0
     #   sacremoses
 langdetect==1.0.9
     # via unstructured (setup.py)
-lxml==4.9.1
+lxml==4.9.2
     # via
     #   python-docx
     #   unstructured (setup.py)