chore(plug): add mason.nvim auto update hook

Author: dcai

lua/dcai/plug.lua

@@ -68,7 +68,7 @@ M.setup = function(plug_opts)
   --- lsp
   ----------------------------------------------------------------------------
   Plug('neovim/nvim-lspconfig')
-  Plug('mason-org/mason.nvim')
+  Plug('mason-org/mason.nvim', { ['do'] = ':MasonUpdate' })
   Plug('williamboman/mason-lspconfig.nvim')
   ----------------------------------------------------------------------------
   --- git