Extend configuration for update check to include version (#2780)

Co-authored-by: José Valim <jose.valim@gmail.com>
Co-authored-by: Jonatan Kłosko <jonatanklosko@gmail.com>

config/config.exs

@@ -38,7 +38,7 @@ config :livebook,
   shutdown_callback: nil,
   teams_auth?: false,
   teams_url: "https://teams.livebook.dev",
-  github_release_repo: "livebook-dev/livebook",
+  github_release_info: %{repo: "livebook-dev/livebook", version: Mix.Project.config()[:version]},
   update_instructions_url: nil,
   within_iframe: false
 

lib/livebook/config.ex

@@ -424,8 +424,9 @@ defmodule Livebook.Config do
   @doc """
   Returns the GitHub org/repo where the releases are created.
   """
-  def github_release_repo() do
-    Application.get_env(:livebook, :github_release_repo)
+  @spec github_release_info() :: %{repo: String.t(), version: String.t()}
+  def github_release_info() do
+    Application.get_env(:livebook, :github_release_info)
   end
 
   @doc """

lib/livebook/update_check.ex

@@ -128,7 +128,8 @@ defmodule Livebook.UpdateCheck do
   end
 
   defp fetch_latest_version() do
-    url = "https://api.github.com/repos/#{Livebook.Config.github_release_repo()}/releases/latest"
+    repo = Livebook.Config.github_release_info().repo
+    url = "https://api.github.com/repos/#{repo}/releases/latest"
     headers = [{"accept", "application/vnd.github.v3+json"}]
 
     case Livebook.Utils.HTTP.request(:get, url, headers: headers) do
@@ -146,7 +147,7 @@ defmodule Livebook.UpdateCheck do
   end
 
   defp new_version(release) do
-    current_version = Livebook.Config.app_version()
+    current_version = Livebook.Config.github_release_info().version
 
     with %{
            "tag_name" => "v" <> version,