nvim: updated yank color

.config/nvim/lua/autocmd.lua

@@ -1,10 +1,8 @@
 -- highlighting yanked regions
-local highlight_group = vim.api.nvim_create_augroup("YankHighlight", { clear = true })
 vim.api.nvim_create_autocmd("TextYankPost", {
   callback = function()
-    vim.highlight.on_yank()
+    vim.highlight.on_yank({higroup="YankHighlight"})
   end,
-  group = highlight_group,
 })
 
 -- gnikdroy/projections.nvim