feat: support sentinel redis

[ab93]

• add support for sentinel redis
• get master sentinel client
• automatically reconnects after master pod is up again

[codecov-commenter]

Codecov Report

Merging #118 (684ee1f) into main (2d49c4f) will decrease coverage by 0.92%. The diff coverage is 80.48%.

@@            Coverage Diff             @@
##             main     #118      +/-   ##
==========================================
- Coverage   84.49%   83.58%   -0.92%     
==========================================
  Files          19       20       +1     
  Lines        1045     1072      +27     
  Branches      114      115       +1     
==========================================
+ Hits          883      896      +13     
- Misses        139      152      +13     
- Partials       23       24       +1     

Impacted Files	Coverage Δ
numaprom/clients/redis.py	0.00% <0.00%> (-50.00%)	:arrow_down:
numaprom/udf/postprocess.py	95.65% <83.33%> (+0.09%)	:arrow_up:
numaprom/clients/sentinel.py	88.88% <88.88%> (ø)
numaprom/udf/window.py	95.23% <100.00%> (+0.07%)	:arrow_up:
numaprom/udsink/train.py	59.59% <100.00%> (+0.41%)	:arrow_up:
numaprom/udsink/train_rollout.py	84.74% <100.00%> (+0.13%)	:arrow_up:

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