🚀 chore(release): bump version to 0.1.1

- Update CHANGELOG.md with details for version 0.1.1.
- Modify version.rb to reflect the new version.

This version includes changes to the gemspec to restrict compatibility to Ruby 2.x.

CHANGELOG.md

@@ -5,6 +5,14 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.1.1] - 2023-08-19
+
+### Changed
+- Updated `required_ruby_version` to restrict compatibility to Ruby 2.x. This version of the gem is now explicitly compatible only with Ruby 2. [@9f97d06](https://github.com/thecodecrate/city-state/commit/9f97d060c9774778497e624d05c45309fdaf5d68)
+
+### Notes
+- Users running Ruby 3 or newer should refer to version `1.1.0` or later for compatibility.
+
 ## [1.1.0] - 2023-08-14
 
 ### Added

lib/city-state/version.rb

@@ -1,3 +1,3 @@
 module CS
-  VERSION = "1.1.0"
+  VERSION = "0.1.1"
 end