chore(schemas): update OpenRPC API doc and JSON schemas

Author: release-plz-ipvm-wg[bot]

homestar-runtime/schemas/api.json

@@ -3,7 +3,7 @@
   "info": {
     "title": "homestar",
     "description": "",
-    "version": "0.3.0",
+    "version": "0.3.1",
     "contact": {
       "name": null,
       "email": null,