Made chunk_size optional in parquet's column_iter_to_arrays

[jorgecarleitao]

This allows reading incomplete column chunks, e.g. when the user wants to read page by page.

[codecov]

Codecov Report

Merging #1055 (4767538) into main (6608071) will decrease coverage by 0.05%.
The diff coverage is 82.35%.

@@            Coverage Diff             @@
##             main    #1055      +/-   ##
==========================================
- Coverage   81.32%   81.27%   -0.06%     
==========================================
  Files         363      363              
  Lines       34649    34664      +15     
==========================================
- Hits        28179    28172       -7     
- Misses       6470     6492      +22     

Impacted Files	Coverage Δ
src/io/parquet/read/deserialize/null.rs	0.00% <0.00%> (ø)
src/io/parquet/read/mod.rs	100.00% <ø> (ø)
src/io/parquet/read/deserialize/simple.rs	54.81% <75.00%> (-0.25%)	⬇️
src/io/parquet/read/deserialize/nested_utils.rs	83.93% <87.50%> (-0.21%)	⬇️
src/io/parquet/read/deserialize/binary/basic.rs	75.19% <100.00%> (ø)
...c/io/parquet/read/deserialize/binary/dictionary.rs	88.46% <100.00%> (ø)
src/io/parquet/read/deserialize/binary/mod.rs	100.00% <100.00%> (ø)
src/io/parquet/read/deserialize/binary/nested.rs	77.11% <100.00%> (+1.01%)	⬆️
src/io/parquet/read/deserialize/boolean/basic.rs	94.48% <100.00%> (ø)
src/io/parquet/read/deserialize/boolean/mod.rs	100.00% <100.00%> (ø)
... and 22 more

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