Don't lazy load conform plugin

The recent addition of the keys field in the lazy plugin spec
for conform has turned the plugin to be lazy loaded on the
configured keymap. This inadvertently broke the default "format on save"
behaviour. Setting the lazy flag explicitly to false restores the
original behaviour.

init.lua

@@ -600,6 +600,7 @@ require('lazy').setup({
 
   { -- Autoformat
     'stevearc/conform.nvim',
+    lazy = false,
     keys = {
       {
         '<leader>f',