Fixed parquet write example

[rajasekarv]

closes #1187

[codecov]

Codecov Report

Merging #1193 (192ca8f) into main (8604cb7) will increase coverage by 0.00%.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main    #1193   +/-   ##
=======================================
  Coverage   83.52%   83.52%           
=======================================
  Files         364      364           
  Lines       36398    36398           
=======================================
+ Hits        30400    30401    +1     
+ Misses       5998     5997    -1     

Impacted Files	Coverage Δ
src/array/utf8/mod.rs	82.71% <0.00%> (-0.93%)	⬇️
src/bitmap/utils/slice_iterator.rs	98.78% <0.00%> (+1.21%)	⬆️
src/array/binary/mod.rs	90.12% <0.00%> (+1.23%)	⬆️

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