chore: set release for v10.3.0 in changelog (#8491)

Author: gjermundgaraba

CHANGELOG.md

@@ -34,7 +34,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 
 # Changelog
 
-## [Unreleased]
+## [v10.3.0](https://github.com/cosmos/ibc-go/releases/tag/v10.3.0) - 2025-06-06
 
 ### Features
 
@@ -59,7 +59,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 * [\#8371](https://github.com/cosmos/ibc-go/pull/8371) e2e: Create only necessary number of chains for e2e suite.
 * [\#8375](https://github.com/cosmos/ibc-go/pull/8375) feat: parse IBC v2 packets from ABCI events
 
-## [v10.2.0](https://github.com/cosmos/ibc-go/releases/tag/v10.2.0) - 2022-04-30
+## [v10.2.0](https://github.com/cosmos/ibc-go/releases/tag/v10.2.0) - 2025-04-30
 
 ### Features
 
@@ -83,7 +83,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 
 * [\#8287](https://github.com/cosmos/ibc-go/pull/8287) rename total_escrow REST query from `denoms` to `total_escrow`
 
-## [v10.1.0](https://github.com/cosmos/ibc-go/releases/tag/v10.1.0) - 2022-03-14
+## [v10.1.0](https://github.com/cosmos/ibc-go/releases/tag/v10.1.0) - 2025-03-14
 
 ### Security Fixes