Add option flags nx, xx, gt, lt for expire and pexpire

[sauravsharma1998]

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 25.92593% with 40 lines in your changes missing coverage. Please review.

Project coverage is 62.6%. Comparing base (f34935c) to head (c0cc303). Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
django_redis/client/sharded.py	12.5%	28 Missing :warning:
tests/test_backend.py	0.0%	12 Missing :warning:

Additional details and impacted files

@@           Coverage Diff            @@
##           master    #733     +/-   ##
========================================
- Coverage    63.3%   62.6%   -0.6%     
========================================
  Files          43      43             
  Lines        3215    3263     +48     
  Branches      244     244             
========================================
+ Hits         2034    2042      +8     
- Misses       1164    1204     +40     
  Partials       17      17             

Flag	Coverage Δ
mypy	37.8% <14.9%> (-0.3%)	:arrow_down:
tests	90.3% <100.0%> (ø)

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[sauravsharma1998]

@WisdomPill Can you please help. This PR failure is related to some dependency installation or test case?

[WisdomPill]

No dependency issue, have a look at ShardedClient which has .expire() defined which means you have to change ShardedClient as well

[sauravsharma1998]

@WisdomPill Could you please review the PR as per your convenience.

[sauravsharma1998]

In Progress https://github.com/jazzband/django-redis/issues/730

[sauravsharma1998]

@WisdomPill Could you please review this PR?