v0.1.1: Forward media_position_updated_at through DAG now_playing

So ha-media-zone's card can interpolate the playhead smoothly between
server polls instead of snapping once every 10-30s.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

custom_components/nvidia_shield/manifest.json

@@ -8,5 +8,5 @@
   "issue_tracker": "https://github.com/ltomes/ha-nvidia-shield/issues",
   "iot_class": "local_polling",
   "requirements": ["adb-shell>=0.4.0"],
-  "version": "0.1.0"
+  "version": "0.1.1"
 }