[Neovim] Make PackRestore actually do it

If I'm going to use `PackRestore` from the YADM bootstrap script, I need
it to apply the changes, not wait for someone to save a buffer.

Author: dirn

.config/nvim/plugin/init.lua

@@ -17,7 +17,7 @@ end, {
 })
 
 vim.api.nvim_create_user_command("PackRestore", function()
-  vim.pack.update(nil, { target = "lockfile" })
+  vim.pack.update(nil, { target = "lockfile", force = true })
 end, {
   desc = "Restore the pack to the state of the lock file.",
 })