fix(inc-rename-nvim): lazy load on cmd instead of lsp setup (#1750)

The `AstroLspSetup` no longer exists as of AstroNvim v6, which prevented
the plugin from ever loading. Using a command should be better anyways,
as it's only loaded when actually used

Author: ALVAROPING1

lua/astrocommunity/lsp/inc-rename-nvim/init.lua

@@ -1,6 +1,6 @@
 return {
   "smjonas/inc-rename.nvim",
-  event = "User AstroLspSetup",
+  cmd = "IncRename",
   dependencies = {
     {
       "AstroNvim/astrolsp",