chore(deps): bump gettext from 0.16.1 to 0.17.0

Bumps [gettext](https://github.com/elixir-lang/gettext) from 0.16.1 to 0.17.0.
- [Release notes](https://github.com/elixir-lang/gettext/releases)
- [Changelog](https://github.com/elixir-lang/gettext/blob/master/CHANGELOG.md)
- [Commits](https://github.com/elixir-lang/gettext/commits)

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

Author: dependabot-preview[bot]

mix.exs

@@ -57,7 +57,7 @@ defmodule GroupherServer.Mixfile do
       {:ecto_sql, "~> 3.1.2"},
       {:phoenix_ecto, "~> 4.0"},
       {:postgrex, ">= 0.14.1"},
-      {:gettext, "~> 0.16.1"},
+      {:gettext, "~> 0.17.0"},
       {:plug_cowboy, "~> 2.0"},
       {:plug, "~> 1.8.0"},
       # GraphQl tool

mix.lock

@@ -28,7 +28,7 @@
   "faker": {:hex, :faker, "0.10.0", "367c2ae47e7b4ac6410e1eaa880c07b5fe4194476f697d37ac1ce25f3058aae2", [:mix], [], "hexpm"},
   "file_system": {:hex, :file_system, "0.2.6", "fd4dc3af89b9ab1dc8ccbcc214a0e60c41f34be251d9307920748a14bf41f1d3", [:mix], [], "hexpm"},
   "fs": {:hex, :fs, "0.9.2", "ed17036c26c3f70ac49781ed9220a50c36775c6ca2cf8182d123b6566e49ec59", [:rebar], [], "hexpm"},
-  "gettext": {:hex, :gettext, "0.16.1", "e2130b25eebcbe02bb343b119a07ae2c7e28bd4b146c4a154da2ffb2b3507af2", [:mix], [], "hexpm"},
+  "gettext": {:hex, :gettext, "0.17.0", "abe21542c831887a2b16f4c94556db9c421ab301aee417b7c4fbde7fbdbe01ec", [:mix], [], "hexpm"},
   "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"},
   "hackney": {:hex, :hackney, "1.15.1", "9f8f471c844b8ce395f7b6d8398139e26ddca9ebc171a8b91342ee15a19963f4", [:rebar3], [{:certifi, "2.5.1", [hex: :certifi, repo: "hexpm", optional: false]}, {:idna, "6.0.0", [hex: :idna, repo: "hexpm", optional: false]}, {:metrics, "1.0.1", [hex: :metrics, repo: "hexpm", optional: false]}, {:mimerl, "~>1.1", [hex: :mimerl, repo: "hexpm", optional: false]}, {:ssl_verify_fun, "1.1.4", [hex: :ssl_verify_fun, repo: "hexpm", optional: false]}], "hexpm"},
   "idna": {:hex, :idna, "6.0.0", "689c46cbcdf3524c44d5f3dde8001f364cd7608a99556d8fbd8239a5798d4c10", [:rebar3], [{:unicode_util_compat, "0.4.1", [hex: :unicode_util_compat, repo: "hexpm", optional: false]}], "hexpm"},