Fix cache storage

[Weiko]

No description provided.

[greptile-apps]

PR Summary

This pull request simplifies the Redis cache setup in the cache storage module by utilizing a Redis URL instead of a separate Redis client service.

• Removed RedisClientService dependency from cache-storage.module-factory.ts and cache-storage.module.ts
• Added check for REDIS_URL environment variable in cache-storage.module-factory.ts
• Modified Redis cache configuration to use REDIS_URL directly in cache-storage.module-factory.ts
• Simplified CacheStorageModule dependencies while maintaining Redis support

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