fix: remove invalid YAML condition syntax in docker-compose.yml

The appwrite-worker-functions depends_on section mixed list format
(- redis) with mapping format (condition: service_healthy), causing
a YAML parse error at line 696 that prevented docker compose from
starting, failing all CI checks.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

docker-compose.yml

@@ -693,7 +693,6 @@ services:
     depends_on:
       - ${_APP_DB_HOST:-mariadb}
       - redis
-        condition: service_healthy
     environment:
       - _APP_ENV
       - _APP_WORKER_PER_CORE