feat(null-ls)!: use none-ls instead of null-ls (#1517)

* FEATURE: use none-ls instead of null-ls

Fixes #1516

* fix(none-ls): automatically migrate null-ls to none-ls

* feat(config): show warning if user config contains renamed references

---------

Co-authored-by: Folke Lemaitre <folke.lemaitre@gmail.com>

lua/lazyvim/plugins/extras/formatting/prettier.lua

@@ -6,7 +6,7 @@ return {
     end,
   },
   {
-    "jose-elias-alvarez/null-ls.nvim",
+    "nvimtools/none-ls.nvim",
     opts = function(_, opts)
       local nls = require("null-ls")
       table.insert(opts.sources, nls.builtins.formatting.prettierd)