Bump lxml from 4.9.3 to 4.9.4

Bumps [lxml](https://github.com/lxml/lxml) from 4.9.3 to 4.9.4.
- [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-4.9.4)

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

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

requirements.txt

@@ -22,7 +22,7 @@ httpx==0.16.1
 idna==3.6
 imgurpython==1.1.7
 instant-api-client==0.1.2        
-lxml==4.9.3
+lxml==4.9.4
 multidict==6.0.4
 nextcord==2.6.0
 nextcord-ext-activities==2022.4.2