Allow tag relations + bump ecto deps

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

mix.exs

@@ -51,27 +51,25 @@ defmodule Mobilizon.Mixfile do
     [
       {:phoenix, "~> 1.4.0"},
       {:phoenix_pubsub, "~> 1.0"},
-      {:phoenix_ecto, "~> 3.2"},
+      {:phoenix_ecto, "~> 4.0"},
       {:postgrex, ">= 0.0.0"},
       {:phoenix_html, "~> 2.10"},
       {:gettext, "~> 0.11"},
-      {:cowboy, "~> 1.0"},
+      {:cowboy, "~> 2.6"},
       {:guardian, "~> 1.2"},
-      {:guardian_db, "~> 1.1"},
-      {:comeonin, "~> 4.0"},
-      {:argon2_elixir, "~> 1.2"},
+      {:guardian_db, "~> 2.0"},
+      {:argon2_elixir, "~> 2.0"},
       {:cors_plug, "~> 2.0"},
       {:ecto_autoslug_field, "~> 1.0"},
       {:rsa_ex, "~> 0.1"},
       {:geo, "~> 3.0"},
-      {:geo_postgis, "~> 2.0"},
+      {:geo_postgis, "~> 3.1"},
       {:timex, "~> 3.0"},
-      {:timex_ecto, "~> 3.0"},
       {:icalendar, "~> 0.6"},
       {:exgravatar, "~> 2.0.1"},
       {:httpoison, "~> 1.0"},
       {:json_ld, "~> 0.3"},
-      {:jason, "~> 1.0"},
+      {:jason, "~> 1.1"},
       {:ex_crypto, "~> 0.9.0"},
       {:http_sign, "~> 0.1.1"},
       {:ecto_enum, "~> 1.0"},
@@ -82,12 +80,11 @@ defmodule Mobilizon.Mixfile do
       {:absinthe, "~> 1.4.0"},
       {:absinthe_phoenix, "~> 1.4.0"},
       {:absinthe_plug, "~> 1.4.0"},
-      {:poison, "~> 3.1"},
       {:absinthe_ecto, "~> 0.1.3"},
       {:dataloader, "~> 1.0"},
       {:arc, "~> 0.11.0"},
       {:arc_ecto, "~> 0.11.0"},
-      {:plug_cowboy, "~> 1.0"},
+      {:plug_cowboy, "~> 2.0"},
       # Dev and test dependencies
       {:phoenix_live_reload, "~> 1.2", only: :dev},
       {:ex_machina, "~> 2.2", only: [:dev, :test]},