Improved performance of unary _not_ for aligned bitmaps (3x)

[jorgecarleitao]

bitmap aligned not 2^20 time:   [32.273 us 32.387 us 32.524 us]                                     
                        change: [-60.815% -60.557% -60.274%] (p = 0.00 < 0.05)
bitmap not 2^20         time:   [76.473 us 76.545 us 76.630 us]                            
                        change: [-8.2910% -8.1104% -7.9196%] (p = 0.00 < 0.05)

[codecov]

Codecov Report

Merging #365 (0151e4b) into main (cef5f08) will increase coverage by 0.00%.
The diff coverage is 83.33%.

@@           Coverage Diff           @@
##             main     #365   +/-   ##
=======================================
  Coverage   81.05%   81.05%           
=======================================
  Files         326      326           
  Lines       21103    21106    +3     
=======================================
+ Hits        17105    17108    +3     
  Misses       3998     3998           

Impacted Files	Coverage Δ
src/bitmap/utils/chunk_iterator/chunks_exact.rs	78.12% <ø> (+6.25%)	⬆️
src/bitmap/utils/chunk_iterator/mod.rs	85.91% <ø> (ø)
src/bitmap/bitmap_ops.rs	94.62% <83.33%> (-2.05%)	⬇️

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