feat(ai.coding.yanky): Use default highlight group for yanked region

Set yanky.nvim's highlight groups, YankyPut and YankyYanked, to use
vim.hl.on_yank()'s default highlight group for yanked region, IncSearch.

lua/lazyvim/plugins/extras/coding/yanky.lua

@@ -7,6 +7,10 @@ return {
   opts = {
     highlight = { timer = 150 },
   },
+  init = function(_)
+    vim.api.nvim_set_hl(0, "YankyYanked", { link = "IncSearch" })
+    vim.api.nvim_set_hl(0, "YankyPut", { link = "IncSearch" })
+  end,
   keys = {
     {
       "<leader>p",