fix: Don't use RLE encoding for Parquet Boolean

[coastalwhite]

This is not really ready yet unless we have compatibility profiles.

Fixes #18819.

[codecov]

Codecov Report

Attention: Patch coverage is 94.28571% with 4 lines in your changes missing coverage. Please review.

Project coverage is 79.60%. Comparing base (cbc0ea0) to head (6679542).
Report is 14 commits behind head on main.

Files with missing lines	Patch %	Lines
...lars-parquet/src/arrow/read/deserialize/boolean.rs	93.54%	4 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #20172      +/-   ##
==========================================
+ Coverage   79.58%   79.60%   +0.02%     
==========================================
  Files        1564     1564              
  Lines      217475   217492      +17     
  Branches     2472     2474       +2     
==========================================
+ Hits       173070   173134      +64     
+ Misses      43837    43789      -48     
- Partials      568      569       +1     

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