Update CHANGELOG.md for versions 0.1.1 and 0.1.2 (#18)

* chore: bump version to 0.1.2

* update README and CHANGELOG for 0.1.2 release

Author: sandlbn

CHANGELOG.md

@@ -5,6 +5,44 @@ 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).
 
+[0.1.2] - 2025-07-11
+Added
+
+Unit tests for all assertion types (#16)
+Support for custom assertion validation (#15)
+
+Security
+
+Intel security scan workflow integration
+
+[0.1.1] - 2025-06-11
+Added
+
+PartialEq trait implementation for HashAlgorithm struct (#13)
+FromStr trait implementation for HashAlgorithm for string parsing
+GitHub Actions workflows for CI/CD (#4)
+
+Changed
+
+Upgraded to Rust edition 2024 (#14)
+Updated dependencies:
+
+mockito to 1.7.0
+base64 to use modern API (#12)
+
+
+Improved code formatting and clippy compliance (#3, #5)
+
+Fixed
+
+Test compatibility issues
+Code formatting inconsistencies
+
+Security
+
+Added OSSF Scorecard workflow
+
+
 ## [0.1.0] - 2025-05-01
 
 ### Added

README.md

@@ -22,7 +22,7 @@ Add Atlas C2PA Library to your `Cargo.toml`:
 
 ```toml
 [dependencies]
-atlas-c2pa-lib = "0.1.0"
+atlas-c2pa-lib = "0.1.2"
 ```
 
 ## 🚀 Quick Start