Update dependency google_api_discovery to ~> 0.12.0

mix.exs

@@ -44,7 +44,7 @@ defmodule GoogleApis.Mixfile do
   # Type "mix help deps" for more examples and options
   defp deps do
     [
-      {:google_api_discovery, "~> 0.7.0"},
+      {:google_api_discovery, "~> 0.12.0"},
       {:tesla, "~> 1.0"},
       {:oauth2, "~> 0.9"},
       {:temp, "~> 0.4"},

mix.lock

@@ -1,6 +1,6 @@
 %{
   "certifi": {:hex, :certifi, "2.8.0", "d4fb0a6bb20b7c9c3643e22507e42f356ac090a1dcea9ab99e27e0376d695eba", [:rebar3], [], "hexpm", "6ac7efc1c6f8600b08d625292d4bbf584e14847ce1b6b5c44d983d273e1097ea"},
-  "google_api_discovery": {:hex, :google_api_discovery, "0.7.0", "d77eb5573c81f0869d733a0fed48181b87f1cbd26bc6374f979f14a7f1b57d0d", [:mix], [{:google_gax, "~> 0.2", [hex: :google_gax, repo: "hexpm", optional: false]}], "hexpm", "816c517e871be4af3bda065dd0a90f49951c9683f0bd2b57b8ff089aff50dcf3"},
+  "google_api_discovery": {:hex, :google_api_discovery, "0.12.0", "0c83b9515f27296b3d76a55d459232bb15939972e02178960ad7e7b39018de9d", [:mix], [{:google_gax, "~> 0.4", [hex: :google_gax, repo: "hexpm", optional: false]}], "hexpm", "3d1e016dcaf5a1acd9fbb4a1554f9839cc1f9a357f32163af190d4e735bb5e57"},
   "google_gax": {:hex, :google_gax, "0.4.0", "83651f8561c02a295826cb96b4bddde030e2369747bbddc592c4569526bafe94", [:mix], [{:poison, ">= 3.0.0 and < 5.0.0", [hex: :poison, repo: "hexpm", optional: false]}, {:tesla, "~> 1.2", [hex: :tesla, repo: "hexpm", optional: false]}], "hexpm", "a95d36f1dd753ab31268dd8bb6de9911243c911cfda9080f64778f6297b9ac57"},
   "hackney": {:hex, :hackney, "1.18.0", "c4443d960bb9fba6d01161d01cd81173089686717d9490e5d3606644c48d121f", [:rebar3], [{:certifi, "~>2.8.0", [hex: :certifi, repo: "hexpm", optional: false]}, {:idna, "~>6.1.0", [hex: :idna, repo: "hexpm", optional: false]}, {:metrics, "~>1.0.0", [hex: :metrics, repo: "hexpm", optional: false]}, {:mimerl, "~>1.1", [hex: :mimerl, repo: "hexpm", optional: false]}, {:parse_trans, "3.3.1", [hex: :parse_trans, repo: "hexpm", optional: false]}, {:ssl_verify_fun, "~>1.1.0", [hex: :ssl_verify_fun, repo: "hexpm", optional: false]}, {:unicode_util_compat, "~>0.7.0", [hex: :unicode_util_compat, repo: "hexpm", optional: false]}], "hexpm", "9afcda620704d720db8c6a3123e9848d09c87586dc1c10479c42627b905b5c5e"},
   "idna": {:hex, :idna, "6.1.1", "8a63070e9f7d0c62eb9d9fcb360a7de382448200fbbd1b106cc96d3d8099df8d", [:rebar3], [{:unicode_util_compat, "~>0.7.0", [hex: :unicode_util_compat, repo: "hexpm", optional: false]}], "hexpm", "92376eb7894412ed19ac475e4a86f7b413c1b9fbb5bd16dccd57934157944cea"},