Restoring ZRANGE desc for Redis < 6.2.0

[AvitalFineRedis]

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Description of change

closes #1669

In the previous implementation of zrange, the user could use desc by calling to zrevrange behind the scene. Since redis 6.2.0, zrange supports REV label (and other new labels e.g LIMIT).
We want to be able to use desc without any other params (that will execute zrevrange), or to use desc with other new params, and then zrange will be called, but that can be done only when using redis > 6.2.0.

[codecov-commenter]

Codecov Report

Merging #1697 (5604573) into master (5be96b9) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##           master    #1697   +/-   ##
=======================================
  Coverage   92.21%   92.21%           
=======================================
  Files          53       53           
  Lines       11002    11005    +3     
=======================================
+ Hits        10145    10148    +3     
  Misses        857      857           

Impacted Files	Coverage Δ
redis/commands/core.py	90.06% <100.00%> (+0.01%)	⬆️
tests/test_commands.py	99.80% <100.00%> (+<0.01%)	⬆️

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