release(dsh): align file-upload version

packages/client/file-upload/package.json

@@ -1,7 +1,7 @@
 {
   "name": "@deepseek-ai/dsh-client-file-upload",
   "description": "Agent-scoped browser file upload, streaming intake, and staged receipt service",
-  "version": "0.1.2-rc.1",
+  "version": "0.1.3-alpha.1",
   "publishConfig": {
     "access": "public"
   },