Bump version and update changelog date

Author: kipcole9

CHANGELOG.md

@@ -4,7 +4,7 @@ All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/), and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [Unreleased]
+## [1.2.0] — August 16th, 2026
 
 ### Changed
 

mix.exs

@@ -1,7 +1,7 @@
 defmodule Localize.MixProject do
   use Mix.Project
 
-  @version "1.1.1"
+  @version "1.2.0"
   @cldr_version_path "priv/localize/version"
   @localize_patch_version_path "priv/localize/localize_patch_version"