Update erlang and elixir to OTP 23

RoyalIcing · RoyalIcing · commit 87558984de96 · 2020-09-30T23:47:52.000+10:00
diff --git a/.tool-versions b/.tool-versions
@@ -1,4 +1,4 @@
 nodejs 12.18.3
-elixir 1.10.3-otp-22
-erlang 22.3.3
+elixir 1.10.4-otp-23
+erlang 23.1
 python 3.7.3
