Update changelog

Author: newpavlov

hex-literal/CHANGELOG.md

@@ -4,6 +4,12 @@ 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).
 
+## 1.1.0 (2025-10-29)
+### Added
+- Support for colon-delimited literals ([#1244])
+
+[#1244]: https://github.com/RustCrypto/utils/pull/1244
+
 ## 1.0.0 (2025-02-22)
 ### Changed
 - Edition changed to 2024 and MSRV bumped to 1.85 ([#1149])