Add Pytest Benchmarks Feature

[selmanozleyen]

hi,

I am trying out pytest-benchmarks after following our previous discussions in benchmarks in squidpy.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 65.90%. Comparing base (91dd574) to head (b8f8bc7).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1070   +/-   ##
=======================================
  Coverage   65.90%   65.90%           
=======================================
  Files          45       45           
  Lines        6772     6772           
  Branches     1138     1138           
=======================================
  Hits         4463     4463           
  Misses       1875     1875           
  Partials      434      434           

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