fix: redis cli ping command (#30329)

update redis cli ping

docker/docker-compose.dev.yml

@@ -156,7 +156,7 @@ services:
     container_name: immich_redis
     image: docker.io/valkey/valkey:9@sha256:3acc0687f2a2e1091fae6450d7842dd658c941338cf0a873ddd9e14b9e4ea4dd
     healthcheck:
-      test: redis-cli ping || exit 1
+      test: redis-cli ping | grep -q PONG || exit 1
 
   database:
     container_name: immich_postgres