Update version

Author: jonatanklosko

RELEASE.md

@@ -3,6 +3,7 @@
 1. Update version in `mix.exs` and update CHANGELOG.
 2. Run `git tag x.y.z` and `git push --tags`.
    1. Wait for CI to precompile all artifacts.
-3. Run `mix elixir_make.checksum --all`.
-4. Run `mix hex.publish`.
-5. Bump version in `mix.exs` and add `-dev`.
+3. Publish GH release with copied changelog notes (CI creates a draft, we need to publish it to compute the checksum).
+4. Run `mix elixir_make.checksum --all`.
+5. Run `mix hex.publish`.
+6. Bump version in `mix.exs` and add `-dev`.

mix.exs

@@ -5,7 +5,7 @@ end
 defmodule Pythonx.MixProject do
   use Mix.Project
 
-  @version "0.3.0"
+  @version "0.3.1-dev"
   @description "Python interpreter embedded in Elixir"
   @github_url "https://github.com/livebook-dev/pythonx"