chore: prepare v1.2.2 release (#85)

Author: johnletey

.github/README.md

@@ -1,6 +1,6 @@
 # The KYVE Network
 
-###### v1.2.1
+###### v1.2.2
 
 The KYVE consensus layer is the backbone of the KYVE ecosystem. This layer is a
 sovereign Delegated Proof of Stake network built using the

CHANGELOG.md

@@ -14,6 +14,8 @@
 
 ## [Unreleased]
 
+## [v1.2.2](https://github.com/KYVENetwork/chain/releases/tag/v1.2.2) - 2023-06-08
+
 ### Bug Fixes
 
 - (deps) [#82](https://github.com/KYVENetwork/chain/pull/82) Bump Cosmos SDK to [v0.46.13](https://github.com/cosmos/cosmos-sdk/releases/tag/v0.46.13) ([`v0.46.13-kyve`](https://github.com/KYVENetwork/cosmos-sdk/releases/tag/v0.46.13-kyve)) to adhere to the [Cosmos SDK Barberry Security Advisory](https://forum.cosmos.network/t/cosmos-sdk-security-advisory-barberry).

Makefile

@@ -1,5 +1,5 @@
 COMMIT := $(shell git log -1 --format='%H')
-VERSION := v1.2.1 # $(shell echo $(shell git describe --tags) | sed 's/^v//')
+VERSION := v1.2.2 # $(shell echo $(shell git describe --tags) | sed 's/^v//')
 
 TEAM_ALLOCATION := 165000000000000
 ifeq ($(ENV),kaon)