Update elixir to 1.2.4

library/elixir

@@ -1,5 +1,7 @@
 # maintainer: [email protected] (@c0b)
 
+1.2.4:  git://github.com/c0b/docker-elixir@8a1bf2bebcf4488408fc5e9f51c6ef09e0abbee6 1.2
+1.2:    git://github.com/c0b/docker-elixir@8a1bf2bebcf4488408fc5e9f51c6ef09e0abbee6 1.2
+latest: git://github.com/c0b/docker-elixir@8a1bf2bebcf4488408fc5e9f51c6ef09e0abbee6 1.2
+
 1.2.3:  git://github.com/c0b/docker-elixir@08b645312bcbf020214e36679eec248234485b3a 1.2
-1.2:    git://github.com/c0b/docker-elixir@08b645312bcbf020214e36679eec248234485b3a 1.2
-latest: git://github.com/c0b/docker-elixir@08b645312bcbf020214e36679eec248234485b3a 1.2