chore(deps): update dependency lxml to v6.1.0 [security]

Author: renovate[bot]

requirements.txt

@@ -30,7 +30,7 @@ granian==2.7.3
 hiredis==3.3.1
 html2text==2025.4.15
 iniparse==0.5
-lxml==6.0.4
+lxml==6.1.0
 mercurial==7.2.1
 mistletoe==1.5.1
 nh3==0.3.4