Reverting previous change to add the mapping to <c-n> as this breaks the default functionality to leave terminal mode in a terminal. For now reverting back to just using <c-'> while we investigate the best way to proceed.
Please Note: This binding uses special characters along with control. Most terminal emulators do not support this type of binding and are fairly limited to just ctrl + alphanumeric keys. I do know that many modern terminal emulators do support this wider range of bindings such as Kitty or Alacritty. Also I'm sorry for this quick flip flop on stable!
Another option I'm looking into is to start using function keys for this type of binding but will have this discussion more on the Discord. Feel free to join if you would like.