fix: drop service_healthy depends_on — podman-compose doesn't support it

Forgejo restart: unless-stopped handles the retry loop until Postgres is ready.

https://claude.ai/code/session_01FKCW3FDjNFj6jve4niMFXH

infra/docker-compose.yml

@@ -73,11 +73,6 @@ services:
       - hiy-pg-data:/var/lib/postgresql/data
       # SQL files here run once on first init (ignored if data volume already exists).
       - ./postgres-init:/docker-entrypoint-initdb.d:ro
-    healthcheck:
-      test: ["CMD-SHELL", "pg_isready -U hiy_admin -d hiy"]
-      interval: 5s
-      timeout: 5s
-      retries: 10
     networks:
       - hiy-net
 
@@ -101,8 +96,7 @@ services:
     volumes:
       - forgejo-data:/data
     depends_on:
-      postgres:
-        condition: service_healthy
+      - postgres
     networks:
       - hiy-net