Add missing CHANGELOG entries

CHANGELOG.md

@@ -8,13 +8,39 @@ and this project adheres to
 
 ## [Unreleased]
 
+- Migrate from yarn to npm
+- Upgrade ts-proto to 1.126.1 and regenerate code
+
+## [0.5.1]
+
+No changelog, sorry. Maybe the diff helps.
+
+## [0.5.0]
+
+No changelog, sorry. Maybe the diff helps.
+
+## [0.4.1]
+
+No changelog, sorry. Maybe the diff helps.
+
+## [0.4.0]
+
+No changelog, sorry. Maybe the diff helps.
+
+## [0.3.0]
+
+No changelog, sorry. Maybe the diff helps.
+
 ## [0.2.0] - 2021-07-29
 
 ### Added
 
-- wasmd 0.18 types (cosmwasm/wasm/v1/*)
+- wasmd 0.18 types (cosmwasm/wasm/v1/\*)
 
-[unreleased]:
-  https://github.com/olivierlacan/keep-a-changelog/compare/v0.2.0...HEAD
-[0.2.0]:
-  https://github.com/olivierlacan/keep-a-changelog/compare/v0.1.0...v0.2.0
+[unreleased]: https://github.com/confio/cosmjs-types/compare/v0.5.1...HEAD
+[0.5.1]: https://github.com/confio/cosmjs-types/compare/v0.5.0...v0.5.1
+[0.5.0]: https://github.com/confio/cosmjs-types/compare/v0.4.1...v0.5.0
+[0.4.1]: https://github.com/confio/cosmjs-types/compare/v0.4.0...v0.4.1
+[0.4.0]: https://github.com/confio/cosmjs-types/compare/v0.3.0...v0.4.0
+[0.3.0]: https://github.com/confio/cosmjs-types/compare/v0.2.0...v0.3.0
+[0.2.0]: https://github.com/confio/cosmjs-types/compare/v0.1.0...v0.2.0