Make super fast benchmarks bigger

[flying-sheep]

is_constant along the major axis still takes <1ms, so make it run on more data.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 85.66%. Comparing base (104bf1c) to head (12e4cc5).

❗ There is a different number of reports uploaded between BASE (104bf1c) and HEAD (12e4cc5). Click for more details.

HEAD has 1 upload less than BASE

Flag	BASE (104bf1c)	HEAD (12e4cc5)
	4	3

Additional details and impacted files

@@             Coverage Diff             @@
##             main      #77       +/-   ##
===========================================
- Coverage   98.49%   85.66%   -12.84%     
===========================================
  Files          15       15               
  Lines         265      265               
===========================================
- Hits          261      227       -34     
- Misses          4       38       +34     

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[codspeed-hq]

CodSpeed Performance Report

Merging #77 will not alter performance

_{Comparing pa/even-bigger-bench (12e4cc5) with main (104bf1c)}

Summary

✅ 88 untouched benchmarks

[flying-sheep]

OK, looks like we can’t make this slower lol