1. Rename `REDIS_*` macros defined in object.c to `VALKEY_*`,
2. Rename `Redis` to `Valkey` , `redis-cli` to `valkey-cli` in logs
(i.e. put statement) and descriptions in object.c and
utils/create-cluster/README
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Signed-off-by: Sher Sun <sher.sun@huawei.com>
Co-authored-by: Sher Sun <sher.sun@huawei.com>