Bump @usestratus/sdk to v1.3.0

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: tylergibbs1

packages/stratus-sdk/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@usestratus/sdk",
-  "version": "1.2.0",
+  "version": "1.3.0",
   "type": "module",
   "main": "./dist/index.js",
   "types": "./dist/index.d.ts",