chore(deps): bump lxml from 4.9.3 to 5.1.0

Bumps [lxml](https://github.com/lxml/lxml) from 4.9.3 to 5.1.0.
- [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
  update-type: version-update:semver-major
...

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

Pipfile

@@ -22,7 +22,7 @@ html5lib = "==1.1"
 httplib2 = "==0.22.0"
 idna = "==3.6"
 importlib-metadata = "==6.8.0"
-lxml = "==4.9.3"
+lxml = "==5.1.0"
 mysqlclient = "==2.2.4"
 oauth2 = "==1.9.0.post1"
 oauthlib = "==3.2.2"