[bot]: Update message catalogues (#12563)

Co-authored-by: AA-Turner <9087854+AA-Turner@users.noreply.github.com>

Author: github-actions[bot]

sphinx/locale/ar/LC_MESSAGES/sphinx.js

@@ -20,7 +20,7 @@ Documentation.addTranslations({
         "Go": "",
         "Hide Search Matches": "",
         "Index": "",
-        "Index – %(key)s": "",
+        "Index – %(key)s": "",
         "Index pages by letter": "",
         "Indices and tables:": "",
         "Last updated on %(last_updated)s.": "",