Add geolocation (latitude/longitude) to asset data

Expose GPS coordinates from EXIF data in asset responses. The latitude
and longitude fields are included in get_assets service responses and
event data when available.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

custom_components/immich_album_watcher/manifest.json

@@ -8,5 +8,5 @@
     "iot_class": "cloud_polling",
     "issue_tracker": "https://github.com/DolgolyovAlexei/haos-hacs-immich-album-watcher/issues",
     "requirements": [],
-    "version": "2.2.1"
+    "version": "2.3.0"
 }