Bump release and update changelog

CHANGELOG.md

@@ -1,5 +1,15 @@
 # Changelog
 
+## Cldr Utils version 2.24.0
+
+This is the changelog for Cldr Utils v2.24.0 released on May 22nd, 2023.  For older changelogs please consult the release tag on [GitHub](https://github.com/elixir-cldr/cldr_utils/tags)
+
+**Cldr Utils now requires Elixir 1.11 or later**
+
+### Enhancements
+
+* Adds `Cldr.Utils.otp_version/0` to return the OTP version as a string. Copied with thanks and appreciation from the `Hex` source.
+
 ## Cldr Utils version 2.23.1
 
 This is the changelog for Cldr Utils v2.23.0 released on May 4th, 2023.  For older changelogs please consult the release tag on [GitHub](https://github.com/elixir-cldr/cldr_utils/tags)

lib/cldr_utils.ex

@@ -1,3 +1,25 @@
-defmodule CldrUtils do
-  @moduledoc false
+defmodule Cldr.Utils do
+  @moduledoc """
+  CLDR Utility functions.
+
+  """
+
+  @doc """
+  Returns the current OTP version.
+
+  """
+  def otp_version do
+     major = :erlang.system_info(:otp_release) |> List.to_string()
+     vsn_file = Path.join([:code.root_dir(), "releases", major, "OTP_VERSION"])
+
+     try do
+       {:ok, contents} = File.read(vsn_file)
+       String.split(contents, "\n", trim: true)
+     else
+       [full] -> full
+       _ -> major
+     catch
+       :error, _ -> major
+     end
+   end
 end

mix.exs

@@ -1,7 +1,7 @@
 defmodule Cldr.Utils.MixProject do
   use Mix.Project
 
-  @version "2.23.1"
+  @version "2.24.0"
   @source_url "https://github.com/elixir-cldr/cldr_utils"
 
   def project do

test/cldr_utils_test.exs

@@ -1,7 +1,7 @@
 defmodule CldrUtilsTest do
   use ExUnit.Case, async: true
 
-  doctest CldrUtils
+  doctest Cldr.Utils
 
   doctest Cldr.Math
   doctest Cldr.Digits