feat(snacks): silence copy url keymap (#4939)

## Description

Silences keymap introduced in related PR
## Related PR(s)

https://github.com/LazyVim/LazyVim/pull/4870

## Checklist

- [x] I've read the
[CONTRIBUTING](https://github.com/LazyVim/LazyVim/blob/main/CONTRIBUTING.md)
guidelines.

lua/lazyvim/config/keymaps.lua

@@ -146,7 +146,7 @@ end
 map("n", "<leader>gb", function() Snacks.git.blame_line() end, { desc = "Git Blame Line" })
 map({ "n", "x" }, "<leader>gB", function() Snacks.gitbrowse() end, { desc = "Git Browse (open)" })
 map({"n", "x" }, "<leader>gY", function()
-  Snacks.gitbrowse({ open = function(url) vim.fn.setreg("+", url) end })
+  Snacks.gitbrowse({ open = function(url) vim.fn.setreg("+", url) end, notify = false })
 end, { desc = "Git Browse (copy)" })
 
 -- quit