FT.SEARCH: Fixing aggregation request argument for LIMIT

[dvora-h]

Pull Request check-list

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Description of change

fixes #2383

[codecov-commenter]

Codecov Report

Base: 92.25% // Head: 92.24% // Decreases project coverage by -0.01% ⚠️

Coverage data is based on head (c2a376e) compared to base (947b8e8).
Patch coverage: 100.00% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2393      +/-   ##
==========================================
- Coverage   92.25%   92.24%   -0.02%     
==========================================
  Files         110      110              
  Lines       28906    28905       -1     
==========================================
- Hits        26668    26662       -6     
- Misses       2238     2243       +5     

Impacted Files	Coverage Δ
redis/commands/search/aggregation.py	78.87% <100.00%> (-0.85%)	⬇️
tests/test_asyncio/test_cluster.py	97.28% <0.00%> (-0.14%)	⬇️
tests/test_cluster.py	96.96% <0.00%> (-0.12%)	⬇️

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[lgnashold]

Thank you for fixing :)