docs: fix docker command for RedisChatMessageHistory (#27484)
docs: "fix docker command"
- **Description**: The Redis chat message history component requires the
Redis Stack to create indexes. When using only Redis, the following
error occurs: "Unknown command 'FT.INFO', with args beginning with:
'chat_history'".
- **Twitter handle**: savar_bhasin
Co-authored-by: Erick Friis <erick@langchain.dev>
