Update which-key bindings for v3, make plugins lazy

lua/custom/plugins/neogit.lua

@@ -7,6 +7,7 @@ return {
       'sindrets/diffview.nvim',
       'nvim-telescope/telescope.nvim',
     },
+    lazy = true,
     keys = {
       { '<leader>ng', ':Neogit cwd=%:p:h<CR>', desc = 'Open neogit repository for current buffer' },
     },

lua/custom/plugins/telescope-file-browser.lua

@@ -2,6 +2,7 @@ return {
   {
     'nvim-telescope/telescope-file-browser.nvim',
     dependencies = { 'nvim-telescope/telescope.nvim', 'nvim-lua/plenary.nvim' },
+    lazy = true,
     keys = {
       { '<leader>fb', '<cmd>Telescope file_browser path=%:p:h select_buffer=true<cr>', desc = 'Open Telescope file browser in directory of current buffer' },
     },