Support reading a file to pyarrow table in catalog import

[delucchi-cmu]

Change Description

This is related to issue #351, but does not close it.

Allows the InputReader read method to return a pyarrow Table, instead of a Pandas dataframe. Pandas dataframes are converted to pyarrow tables, and all manipulation after that point is based on pyarrow operations.

This means that tables generated will NOT have the _healpix_29 field set as the pandas index.

[codecov]

Codecov Report

Attention: Patch coverage is 97.61905% with 1 line in your changes missing coverage. Please review.

Project coverage is 98.88%. Comparing base (aeb92ae) to head (2572e14).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
src/hats_import/index/map_reduce.py	80.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #415      +/-   ##
==========================================
- Coverage   99.00%   98.88%   -0.13%     
==========================================
  Files          29       29              
  Lines        1609     1612       +3     
==========================================
+ Hits         1593     1594       +1     
- Misses         16       18       +2     

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[github-actions]

Before [aeb92ae]	After [6ae8c36]	Ratio	Benchmark (Parameter)
failed	failed	n/a	benchmarks.BinningSuite.time_read_histogram

Click here to view all benchmarks.