chore: bump changed userstyles

Author: github-actions[bot]

styles/whatsapp-web/catppuccin.user.less

@@ -2,7 +2,7 @@
 @name WhatsApp Web Catppuccin
 @namespace github.com/catppuccin/userstyles/styles/whatsapp-web
 @homepageURL https://github.com/catppuccin/userstyles/tree/main/styles/whatsapp-web
-@version 2025.08.07
+@version 2025.08.31
 @updateURL https://github.com/catppuccin/userstyles/raw/main/styles/whatsapp-web/catppuccin.user.less
 @supportURL https://github.com/catppuccin/userstyles/issues?q=is%3Aopen+is%3Aissue+label%3Awhatsapp-web
 @description Soothing pastel theme for WhatsApp Web