feat: Update to 0.10.4 of the schema (#49)

Author: benbrandt

schema/meta.json

@@ -9,6 +9,7 @@
     "session_new": "session/new",
     "session_prompt": "session/prompt",
     "session_resume": "session/resume",
+    "session_set_config_option": "session/set_config_option",
     "session_set_mode": "session/set_mode",
     "session_set_model": "session/set_model"
   },