Add type hints for hash commands

[dvora-h]

Pull Request check-list

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• Does $ tox pass with this change (including linting)?
• Do the CI tests pass with this change (enable it first in your forked repo and wait for the github action build to finish)?
• Is the new or changed code fully tested?
• Is a documentation update included (if this change modifies existing APIs, or introduces new ones)?
• Is there an example added to the examples folder (if applicable)?

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Description of change

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[codecov-commenter]

Codecov Report

Merging #1919 (adc44ee) into master (8499adc) will decrease coverage by 33.82%.
The diff coverage is 100.00%.

@@             Coverage Diff             @@
##           master    #1919       +/-   ##
===========================================
- Coverage   92.96%   59.13%   -33.83%     
===========================================
  Files          76       76               
  Lines       16441    15780      -661     
===========================================
- Hits        15284     9332     -5952     
- Misses       1157     6448     +5291     

Impacted Files	Coverage Δ
redis/commands/core.py	84.36% <100.00%> (-5.56%)	⬇️
redis/commands/timeseries/utils.py	0.00% <0.00%> (-100.00%)	⬇️
redis/commands/timeseries/__init__.py	0.00% <0.00%> (-100.00%)	⬇️
redis/commands/timeseries/commands.py	0.00% <0.00%> (-99.50%)	⬇️
redis/commands/timeseries/info.py	0.00% <0.00%> (-91.43%)	⬇️
tests/test_bloom.py	10.94% <0.00%> (-88.60%)	⬇️
tests/test_json.py	11.91% <0.00%> (-88.09%)	⬇️
tests/test_search.py	11.07% <0.00%> (-88.01%)	⬇️
tests/test_timeseries.py	12.75% <0.00%> (-87.25%)	⬇️
tests/test_graph_utils/test_path.py	11.29% <0.00%> (-87.22%)	⬇️
... and 57 more

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[chayim]

Same as others - needs redismod fix.