Update ecto version and fix an issue with attributes

[max-konin]

Ecto does not support unknown options for field macros https://github.com/elixir-ecto/ecto/blob/master/lib/ecto/schema.ex#L2002 anymore

I've updated the version of ecto in mix.lock file and add sanitize_opts to remove required, description, description option from the list before sending it to Ecto.Schema.field