chore(deps): bump gettext from 0.13.1 to 0.18.1

Bumps [gettext](https://github.com/elixir-lang/gettext) from 0.13.1 to 0.18.1.
- [Release notes](https://github.com/elixir-lang/gettext/releases)
- [Changelog](https://github.com/elixir-gettext/gettext/blob/master/CHANGELOG.md)
- [Commits](elixir-gettext/gettext@v0.13.1...v0.18.1)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Author: dependabot-preview[bot]

apps/cf/mix.exs

@@ -39,7 +39,7 @@ defmodule CF.Mixfile do
     [
       {:phoenix, "~> 1.3.0", override: true},
       {:phoenix_html, "~> 2.6"},
-      {:gettext, "~> 0.13.1"},
+      {:gettext, "~> 0.18.1"},
       {:google_api_you_tube, "~> 0.1.0"},
       {:kaur, "~> 1.1"},
       {:bcrypt_elixir, "~> 1.0"},

apps/cf_rest_api/mix.exs

@@ -37,7 +37,7 @@ defmodule CF.RestApi.Mixfile do
     [
       {:corsica, "~> 1.0"},
       {:cowboy, "~> 1.0"},
-      {:gettext, "~> 0.13.1"},
+      {:gettext, "~> 0.18.1"},
       {:kaur, "~> 1.1"},
       {:phoenix, "~> 1.3.0", override: true},
       {:phoenix_html, "~> 2.6"},

mix.lock

@@ -40,7 +40,7 @@
   "floki": {:hex, :floki, "0.20.4", "be42ac911fece24b4c72f3b5846774b6e61b83fe685c2fc9d62093277fb3bc86", [:mix], [{:html_entities, "~> 0.4.0", [hex: :html_entities, repo: "hexpm", optional: false]}, {:mochiweb, "~> 2.15", [hex: :mochiweb, repo: "hexpm", optional: false]}], "hexpm", "2e7e21cd417c4b13523dd8b97379a33e5f432d4d1b149cf5ab496a4a29bdd7ab"},
   "gen_stage": {:hex, :gen_stage, "0.13.1", "edff5bca9cab22c5d03a834062515e6a1aeeb7665fb44eddae086252e39c4378", [:mix], [], "hexpm", "307544601361efdc80620f8762c8e9afc7e65187640ed260b17a035d58db865c"},
   "gen_state_machine": {:hex, :gen_state_machine, "2.0.3", "477ea51b466a749ab23a0d6090e9e84073f41f9aa28c7efc40eac18f3d4a9f77", [:mix], [], "hexpm", "0418b2c2b2da3118349fa344497c37e58c46dd8ef865c1ea86e9c1831471fc28"},
-  "gettext": {:hex, :gettext, "0.13.1", "5e0daf4e7636d771c4c71ad5f3f53ba09a9ae5c250e1ab9c42ba9edccc476263", [:mix], [], "hexpm", "b233b4ab0d349a359b52592d2d591fc6e4b20fdbe0b15a624cc15a3ca509a1cc"},
+  "gettext": {:hex, :gettext, "0.18.1", "89e8499b051c7671fa60782faf24409b5d2306aa71feb43d79648a8bc63d0522", [:mix], [], "hexpm", "e70750c10a5f88cb8dc026fc28fa101529835026dec4a06dba3b614f2a99c7a9"},
   "google_api_you_tube": {:hex, :google_api_you_tube, "0.1.0", "ab3b83df4a8afe6ec3ad17e322cbf65c89d8887582d8798881b5eb1269691ba5", [:mix], [{:google_gax, "~> 0.1.0", [hex: :google_gax, repo: "hexpm", optional: false]}], "hexpm", "40f177afc9006957eeaed639cf45ba837e2b06ef87f4aed8f51723f20d576088"},
   "google_gax": {:hex, :google_gax, "0.1.1", "02a267deb0a43e4f1eadf197a22d90804136c1ea3519bf977cf5b0c093d111ef", [:mix], [{:poison, ">= 1.0.0", [hex: :poison, repo: "hexpm", optional: false]}, {:tesla, "~> 1.0", [hex: :tesla, repo: "hexpm", optional: false]}], "hexpm", "7734a16b0984055f320f1942af56aab2cedf4b5f57830c67f277232c2ecce6e3"},
   "guardian": {:hex, :guardian, "1.2.1", "bdc8dd3dbf0fb7216cb6f91c11831faa1a64d39cdaed9a611e37f2413e584983", [:mix], [{:jose, "~> 1.8", [hex: :jose, repo: "hexpm", optional: false]}, {:phoenix, "~> 1.3", [hex: :phoenix, repo: "hexpm", optional: true]}, {:plug, "~> 1.3.3 or ~> 1.4", [hex: :plug, repo: "hexpm", optional: true]}], "hexpm", "723fc404edfb7bd5cba4cd83329b352037f102aa97468f44e58ac7f47c136a98"},