Bumped patch version number & updated the changelog

Author: apaillier-ledger

CHANGELOG.md

@@ -5,6 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
+## [1.21.3](../../compare/1.21.2...1.21.3) - 2026-03-17
+
+### Fixed
+
+- Missing trusted name matching with EIP-712 empty calldata
+
 ## [1.21.2](../../compare/1.21.1...1.21.2) - 2026-03-03
 
 ### Added

Makefile

@@ -37,7 +37,7 @@ include ./makefile_conf/chain/$(CHAIN).mk
 
 APPVERSION_M = 1
 APPVERSION_N = 21
-APPVERSION_P = 2
+APPVERSION_P = 3
 APPVERSION = $(APPVERSION_M).$(APPVERSION_N).$(APPVERSION_P)
 
 # Application source files