Add support for Erlang/OTP 22 (update rustler ver.)

Author: Yaroslav Rogov

mix.exs

@@ -27,7 +27,7 @@ defmodule Rox.Mixfile do
   defp deps do
     [
       # Rust NIFs
-      {:rustler, "~> 0.18"},
+      {:rustler, "~> 0.21"},
 
       # Doc generation
       {:ex_doc, "~> 0.18", only: :dev},

mix.lock

@@ -7,8 +7,9 @@
   "faker": {:hex, :faker, "0.8.0", "91880d7aa0882ceca77849a28cecddaa337e274ac35197b65c7ad38cfa4517ab", [:mix], [], "hexpm"},
   "flow": {:hex, :flow, "0.14.0", "a84a4afc8559e3eb9c3b73c7dd0b348817405f3208bb1a42cfea69a83ec17f35", [:mix], [{:gen_stage, "~> 0.14.0", [hex: :gen_stage, repo: "hexpm", optional: false]}], "hexpm"},
   "gen_stage": {:hex, :gen_stage, "0.14.0", "65ae78509f85b59d360690ce3378d5096c3130a0694bab95b0c4ae66f3008fad", [:mix], [], "hexpm"},
-  "makeup": {:hex, :makeup, "0.8.0", "9cf32aea71c7fe0a4b2e9246c2c4978f9070257e5c9ce6d4a28ec450a839b55f", [], [{:nimble_parsec, "~> 0.5.0", [hex: :nimble_parsec, repo: "hexpm", optional: false]}], "hexpm"},
-  "makeup_elixir": {:hex, :makeup_elixir, "0.13.0", "be7a477997dcac2e48a9d695ec730b2d22418292675c75aa2d34ba0909dcdeda", [], [{:makeup, "~> 0.8", [hex: :makeup, repo: "hexpm", optional: false]}], "hexpm"},
-  "nimble_parsec": {:hex, :nimble_parsec, "0.5.0", "90e2eca3d0266e5c53f8fbe0079694740b9c91b6747f2b7e3c5d21966bba8300", [], [], "hexpm"},
-  "rustler": {:hex, :rustler, "0.18.0", "db4bd0c613d83a1badc31be90ddada6f9821de29e4afd15c53a5da61882e4f2d", [:mix], [], "hexpm"},
+  "makeup": {:hex, :makeup, "0.8.0", "9cf32aea71c7fe0a4b2e9246c2c4978f9070257e5c9ce6d4a28ec450a839b55f", [:mix], [{:nimble_parsec, "~> 0.5.0", [hex: :nimble_parsec, repo: "hexpm", optional: false]}], "hexpm"},
+  "makeup_elixir": {:hex, :makeup_elixir, "0.13.0", "be7a477997dcac2e48a9d695ec730b2d22418292675c75aa2d34ba0909dcdeda", [:mix], [{:makeup, "~> 0.8", [hex: :makeup, repo: "hexpm", optional: false]}], "hexpm"},
+  "nimble_parsec": {:hex, :nimble_parsec, "0.5.0", "90e2eca3d0266e5c53f8fbe0079694740b9c91b6747f2b7e3c5d21966bba8300", [:mix], [], "hexpm"},
+  "rustler": {:hex, :rustler, "0.21.0", "68cc4fc015d0b9541865ea78e78e9ef2dd91ee4be80bf543fd15791102a45aca", [:mix], [{:toml, "~> 0.5.2", [hex: :toml, repo: "hexpm", optional: false]}], "hexpm"},
+  "toml": {:hex, :toml, "0.5.2", "e471388a8726d1ce51a6b32f864b8228a1eb8edc907a0edf2bb50eab9321b526", [:mix], [], "hexpm"},
 }