fix: upgrade redis version

[raikel]

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[codecov-commenter]

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Codecov Report

❌ Patch coverage is 86.36364% with 3 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
arq/connections.py	76.92%	2 Missing and 1 partial ⚠️
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@@            Coverage Diff             @@
##             main     #527      +/-   ##
==========================================
- Coverage   96.27%   95.68%   -0.60%     
==========================================
  Files          11       11              
  Lines        1074     1088      +14     
  Branches      209      145      -64     
==========================================
+ Hits         1034     1041       +7     
- Misses         19       25       +6     
- Partials       21       22       +1     

Files with missing lines	Coverage Δ
arq/jobs.py	98.15% <100.00%> (ø)
arq/worker.py	96.80% <100.00%> (-0.38%)	⬇️
arq/connections.py	86.41% <76.92%> (-3.65%)	⬇️

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