chore: prepare v0.47.7 (cosmos#18765)

Author: julienrbrt

CHANGELOG.md

@@ -37,6 +37,8 @@ Ref: https://keepachangelog.com/en/1.0.0/
 
 ## [Unreleased]
 
+## [v0.47.7](https://github.com/cosmos/cosmos-sdk/releases/tag/v0.47.7) - 2023-12-20
+
 ### Improvements
 
 * (x/gov) [#18707](https://github.com/cosmos/cosmos-sdk/pull/18707) Improve genesis validation. 

RELEASE_NOTES.md

@@ -1,17 +1,17 @@
-# Cosmos SDK v0.47.6 Release Notes
+# Cosmos SDK v0.47.7 Release Notes
 
 💬 [**Release Discussion**](https://github.com/orgs/cosmos/discussions/categories/announcements)
 
 ## 🚀 Highlights
 
 v0.50 is there, the v0.47.x line is now supported for bug fixes only, as per our release policy.
-Start integrating with [Cosmos SDK Eden (v0.50)](https://github.com/cosmos/cosmos-sdk/releases/tag/v0.50.1) and enjoy and the new features and performance improvements.
+Start integrating with [Cosmos SDK Eden (v0.50)](https://github.com/cosmos/cosmos-sdk/releases/tag/v0.50.2) and enjoy and the new features and performance improvements.
 
-For this 6th patch release of the `v0.47.x` line, some of the notable changes include:
+For this 7th patch release of the `v0.47.x` line, some of the notable changes include:
 
-* The gRPC and API server are both started in standalone mode (CometBFT out of process)
-* Fix the default prepare proposal handler to better match CometBFT ABCI specification
+* A bug fix in the `app.toml` parsing for the `minimum-gas-prices` parameter.
+* A bug fix to properly simulate a transaction when using a multisig. 
 
-Check out the [changelog](https://github.com/cosmos/cosmos-sdk/blob/v0.47.5/CHANGELOG.md) for an exhaustive list of changes or [compare changes](https://github.com/cosmos/cosmos-sdk/compare/v0.47.5...v0.47.6) from last release.
+Check out the [changelog](https://github.com/cosmos/cosmos-sdk/blob/v0.47.5/CHANGELOG.md) for an exhaustive list of changes or [compare changes](https://github.com/cosmos/cosmos-sdk/compare/v0.47.6...v0.47.7) from last release.
 
-Refer to the [upgrading guide](https://github.com/cosmos/cosmos-sdk/blob/release/v0.50.x/UPGRADING.md) when migrating from `v0.47.x` to `v0.50.1`.
+Refer to the [upgrading guide](https://github.com/cosmos/cosmos-sdk/blob/release/v0.50.x/UPGRADING.md) when migrating from `v0.47.x` to `v0.50.x`.