Add pytest-benchmark to development requirements

[pavoljuhas]

Disable execution of benchmarks by default.

Related to #7796

[mhucka]

SG

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 99.62%. Comparing base (4c28746) to head (3d47765).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #7937      +/-   ##
==========================================
- Coverage   99.62%   99.62%   -0.01%     
==========================================
  Files        1106     1106              
  Lines       99484    99484              
==========================================
- Hits        99109    99108       -1     
- Misses        375      376       +1     

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