feat: no longer verify HELLO error messages #2515
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When the server responds with the RESP protocol and the result is not a normal execution result of the HELLO command, we consider it to be an indication that the server does not support the HELLO command.
The server may be a redis-server that does not support the HELLO command, or it could be DragonflyDB or a third-party redis-proxy. They all respond with different error string results for unsupported commands, making it difficult to rely on error strings to determine all results.