chore(deps): update dependency granian to v2.6.0 (#3871)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

requirements.txt

@@ -26,7 +26,7 @@ djangorestframework==3.16.1
 gevent==25.9.1
 git-review==2.5.0
 google-cloud-translate==3.23.0
-granian==2.5.7
+granian==2.6.0
 hiredis==3.3.0
 html2text==2025.4.15
 iniparse==0.5