chore: bump assets version

Author: vyfor

lua/cord/api/icon.lua

@@ -3,7 +3,7 @@ local M = {}
 --- Increment this only when an existing icon is modified
 ---
 --- Appended to the end of the asset URL for refetching; otherwise, it will be loaded from the cache, thus not being updated
-M.ICONS_VERSION = '8'
+M.ICONS_VERSION = '9'
 M.ICONS_URL = 'https://raw.githubusercontent.com/vyfor/icons/master/icons/'
 M.ICON_THEME = 'onyx'