ci: update the version packages (#155)

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

Author: oz-release-app[bot]

.changeset/pre.json

@@ -1,7 +1,7 @@
 # @openzeppelin/relayer-sdk
 
 
-## 1.3.0-rc.0 (2025-08-06)
+## 1.3.0 (2025-08-06)
 
 - Add new endpoint types for plugins ([#151](https://github.com/OpenZeppelin/openzeppelin-relayer-sdk/pull/151))
 

.changeset/pretty-horses-brake.md

@@ -1,6 +1,6 @@
 {
   "name": "@openzeppelin/relayer-sdk",
-  "version": "1.3.0-rc.0",
+  "version": "1.3.0",
   "description": "OpenZeppelin Relayer SDK",
   "license": "AGPL-3.0-or-later",
   "files": [