Update dependencies and add workspace configuration

.gitignore

@@ -16,7 +16,7 @@ erl_crash.dump
 # Also ignore archive artifacts (built via "mix archive.build").
 *.ez
 
-/native/io/Cargo.lock
-/native/io/target
+/Cargo.lock
+/target
 
 /priv/native/*.so

Cargo.toml

@@ -0,0 +1,2 @@
+[workspace]
+members = ["native/io"]

mix.exs

@@ -20,7 +20,7 @@ defmodule NifIo.Mixfile do
 
   defp deps do
     [
-      {:rustler, "~> 0.25.0"}
+      {:rustler, "~> 0.31.0"}
     ]
   end
 

mix.lock

@@ -1,5 +1,5 @@
 %{
-  "jason": {:hex, :jason, "1.3.0", "fa6b82a934feb176263ad2df0dbd91bf633d4a46ebfdffea0c8ae82953714946", [:mix], [{:decimal, "~> 1.0 or ~> 2.0", [hex: :decimal, repo: "hexpm", optional: true]}], "hexpm", "53fc1f51255390e0ec7e50f9cb41e751c260d065dcba2bf0d08dc51a4002c2ac"},
-  "rustler": {:hex, :rustler, "0.25.0", "32526b51af7e58a740f61941bf923486ce6415a91c3934cc16c281aa201a2240", [:mix], [{:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: false]}, {:toml, "~> 0.6", [hex: :toml, repo: "hexpm", optional: false]}], "hexpm", "6b43a11a37fe79c6234d88c4102ab5dfede7a6a764dc5c7b539956cfa02f3cf4"},
-  "toml": {:hex, :toml, "0.6.2", "38f445df384a17e5d382befe30e3489112a48d3ba4c459e543f748c2f25dd4d1", [:mix], [], "hexpm", "d013e45126d74c0c26a38d31f5e8e9b83ea19fc752470feb9a86071ca5a672fa"},
+  "jason": {:hex, :jason, "1.4.1", "af1504e35f629ddcdd6addb3513c3853991f694921b1b9368b0bd32beb9f1b63", [:mix], [{:decimal, "~> 1.0 or ~> 2.0", [hex: :decimal, repo: "hexpm", optional: true]}], "hexpm", "fbb01ecdfd565b56261302f7e1fcc27c4fb8f32d56eab74db621fc154604a7a1"},
+  "rustler": {:hex, :rustler, "0.31.0", "7e5eefe61e6e6f8901e5aa3de60073d360c6320d9ec363027b0197297b80c46a", [:mix], [{:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: false]}, {:toml, "~> 0.6", [hex: :toml, repo: "hexpm", optional: false]}], "hexpm", "99e378459bfb9c3bda6d3548b2b3bc6f9ad97f728f76bdbae7bf5c770a4f8abd"},
+  "toml": {:hex, :toml, "0.7.0", "fbcd773caa937d0c7a02c301a1feea25612720ac3fa1ccb8bfd9d30d822911de", [:mix], [], "hexpm", "0690246a2478c1defd100b0c9b89b4ea280a22be9a7b313a8a058a2408a2fa70"},
 }

native/io/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "io"
-version = "0.1.0"
+version = "0.2.0"
 authors = ["HansiHE <hansihe@hansihe.com>"]
 edition = "2018"
 
@@ -10,5 +10,5 @@ path = "src/lib.rs"
 crate-type = ["cdylib"]
 
 [dependencies]
-rustler = "0.25.0"
+rustler = "0.31.0"
 bufstream = "0.1.4"