update change log

Signed-off-by: Mark Sagi-Kazar <mark.sagikazar@gmail.com>

Author: sagikazarmark

CHANGELOG.md

@@ -10,6 +10,13 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 ## [Unreleased]
 
 
+## [0.8.1] - 2022-02-23
+
+### Fixed
+
+- Reduced memory allocation when collecting stack information
+
+
 ## [0.8.0] - 2020-09-14
 
 ### Changed
@@ -101,7 +108,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - Initial release
 
 
-[Unreleased]: https://github.com/emperror/errors/compare/v0.8.0...HEAD
+[Unreleased]: https://github.com/emperror/errors/compare/v0.8.1...HEAD
+[0.8.1]: https://github.com/emperror/errors/compare/v0.8.0...v0.8.1
 [0.8.0]: https://github.com/emperror/errors/compare/v0.7.0...v0.8.0
 [0.7.0]: https://github.com/emperror/errors/compare/v0.6.0...v0.7.0
 [0.6.0]: https://github.com/emperror/errors/compare/v0.5.2...v0.6.0