chore: v0.2.2 changelog and release notes (#153)

CHANGELOG.md

@@ -42,6 +42,16 @@ Ref: https://keepachangelog.com/en/1.0.0/
 
 ## [Unreleased]
 
+## [v0.2.2](https://github.com/umee-network/peggo/releases/tag/v0.2.2) - 2022-02-01
+
+### Improvements
+
+- [#144] Bump Umee version to 0.7.1 and fix Gravity Bridge to v1.3.5
+
+### Bug Fixes
+
+- [#139] Fix issue reported by ToB's audit (TOB-001)
+
 ## [v0.2.1](https://github.com/umee-network/peggo/releases/tag/v0.2.1) - 2022-01-31
 
 ### Improvements
@@ -87,4 +97,4 @@ Ref: https://keepachangelog.com/en/1.0.0/
 
 ### Features
 
-- Initial release!!!
+- Initial release!!!

RELEASE_NOTES.md

@@ -1,17 +1,13 @@
 # Release Notes
 
-This release introduces bug fixes and improvements.
+This release introduces version bumps to some dependencies.
 
 ## Changelog
 
 ### Improvements
 
-- [#132] Add `cosmos-msgs-per-tx` flag to set how many messages (Ethereum claims)
-  will be sent in each Cosmos transaction.
-- [#134] Improve valset relaying by changing how we search for the last valid
-  valset update.
+- [#144] Bump Umee version to 0.7.1 and fix Gravity Bridge to v1.3.5
 
 ### Bug Fixes
 
-- [#134] Fix logs, CLI help and a panic when a non-function call transaction was
- received during the TX pending check.
+- [#139] Fix issue reported by ToB's audit (TOB-001)