Implement BitXor trait for Bitmap

[houqp]

For #457. To calculate cast error bitmap, we need to run array_validity ^ cast_validity.

[codecov]

Codecov Report

Merging #485 (be9abfc) into main (a15044a) will decrease coverage by 0.01%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##             main     #485      +/-   ##
==========================================
- Coverage   80.33%   80.32%   -0.02%     
==========================================
  Files         374      374              
  Lines       22919    22923       +4     
==========================================
  Hits        18413    18413              
- Misses       4506     4510       +4     

Impacted Files	Coverage Δ
src/bitmap/bitmap_ops.rs	93.81% <0.00%> (-4.04%)	⬇️

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