use claude 4 instead of gemini-3.5

Author: umutondersu

lua/kickstart/plugins/avante.lua

@@ -5,7 +5,7 @@ return {
     lazy = false,
     version = false, -- set this if you want to always pull the latest change
     opts = {
-        provider = 'copilot_gemini',
+        provider = 'copilot',
         selector = { provider = 'snacks' },
         input = {
             provider = 'snacks',