chore: fix #12674 changelog

CHANGELOG.md

@@ -45,6 +45,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 
 ### Improvements
 
+* (x/bank) [#12674](https://github.com/cosmos/cosmos-sdk/pull/12674) Add convenience function `CreatePrefixedAccountStoreKey()` to construct key to access account's balance for a given denom.
 * [#12702](https://github.com/cosmos/cosmos-sdk/pull/12702) Linting and tidiness, fixed two minor security warnings. 
 * [#12634](https://github.com/cosmos/cosmos-sdk/pull/12634) Move `sdk.Dec` to math package.
 * [#12596](https://github.com/cosmos/cosmos-sdk/pull/12596) Remove all imports of the non-existent gogo/protobuf v1.3.3 to ease downstream use and go workspaces. 
@@ -307,7 +308,6 @@ Ref: https://keepachangelog.com/en/1.0.0/
 * (deps) Downgrade to Tendermint [v0.34.20-rc0](https://github.com/tendermint/tendermint/releases/tag/v0.34.20-rc0).
 * [#12089](https://github.com/cosmos/cosmos-sdk/pull/12089) Mark the `TipDecorator` as beta, don't include it in simapp by default.
 * [#12153](https://github.com/cosmos/cosmos-sdk/pull/12153) Add a new `NewSimulationManagerFromAppModules` constructor, to simplify simulation wiring.
-* (x/bank) [#12674](https://github.com/cosmos/cosmos-sdk/pull/12674) Add convenience function `CreatePrefixedAccountStoreKey()` to construct key to access account's balance for a given denom.
 
 ### Bug Fixes