A demo of redis version tag proposal #3473
                
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This is a demo for annotating the compatible Redis version of the test cases in SetCommandsTest. #3471
In RedisType, we can define all compatible Redis versions. Then we use "@EnabledOnRedis" to specify that certain test cases can only be run on their compatible Redis versions.
When testing, we can use "mvn -Dredisversion=redis_xx" to set the version of Redis.
For example, in SetCommandsTest, Redis 6.0 does not support "sintercard", "sinterstore", and "smismember" commands, and we can skip these cases using "mvn -Dredisversion=redis_6".