Update Erlang to 23.3.4 and Elixir to 1.10.3#9

orther wants to merge 1 commit intomasteruptrend-tech/docker-base-elixir:masterfrom

elixir-1.10.3-erlang-23.3.4uptrend-tech/docker-base-elixir:elixir-1.10.3-erlang-23.3.4Copy head branch name to clipboard