Use better upstream deps

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

mix.exs

@@ -98,7 +98,7 @@ defmodule Mobilizon.Mixfile do
       {:bamboo_smtp, "~> 3.0"},
       {:geolix, "~> 2.0"},
       {:geolix_adapter_mmdb2, "~> 0.6.0"},
-      {:absinthe, "1.5.3"},
+      {:absinthe, "1.5.4"},
       {:absinthe_phoenix, "~> 2.0.0"},
       {:absinthe_plug, "~> 1.5.0"},
       {:dataloader, "~> 1.0.6"},
@@ -107,12 +107,8 @@ defmodule Mobilizon.Mixfile do
       {:cachex, "~> 3.1"},
       {:geohax, "~> 0.4.0"},
       {:mogrify, "~> 0.8.0"},
-      {:auto_linker,
-       git: "https://git.pleroma.social/pleroma/auto_linker.git",
-       ref: "95e8188490e97505c56636c1379ffdf036c1fdde"},
-      {:http_signatures,
-       git: "https://git.pleroma.social/pleroma/http_signatures.git",
-       ref: "293d77bb6f4a67ac8bde1428735c3b42f22cbb30"},
+      {:linkify, "~> 0.3"},
+      {:http_signatures, "~> 0.1.0"},
       {:ex_cldr, "~> 2.0"},
       {:ex_cldr_dates_times, "~> 2.2"},
       {:ex_optimizer, "~> 0.1"},