Update deployed erlang and elixir to OTP 23

RoyalIcing · RoyalIcing · commit b3bb3de042a0 · 2020-09-30T23:48:46.000+10:00
diff --git a/elixir_buildpack.config b/elixir_buildpack.config
@@ -1,2 +1,2 @@
-erlang_version=21.3.7
-elixir_version=1.8.2
+erlang_version=23.1
+elixir_version=1.10.4
