fix: parquet RLE boolean decoding

[ritchie46]

fixes #14902

[codecov]

Codecov Report

Attention: Patch coverage is 97.77778% with 1 lines in your changes are missing coverage. Please review.

Project coverage is 81.02%. Comparing base (de5bad0) to head (9b87b6e).

Files	Patch %	Lines
...lars-parquet/src/arrow/read/deserialize/bitmaps.rs	97.29%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main   #14921   +/-   ##
=======================================
  Coverage   81.01%   81.02%           
=======================================
  Files        1332     1333    +1     
  Lines      172874   172902   +28     
  Branches     2458     2458           
=======================================
+ Hits       140058   140087   +29     
+ Misses      32347    32346    -1     
  Partials      469      469           

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[ritchie46]

Superseded by #14931