Stop reporting the scheduler container as unhealthy

The scheduler inherited the image's healthcheck, which asks the web server
that only the app container runs.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

docker-compose.yml

@@ -54,6 +54,9 @@ services:
       dockerfile: Dockerfile
     restart: unless-stopped
     entrypoint: ["php", "artisan", "schedule:work"]
+    # The image's healthcheck asks the web server, which only the app service runs
+    healthcheck:
+      disable: true
     volumes:
       - sealshare_storage:/app/storage/app
       - sealshare_database:/app/database/sqlite