Simon/bench derandomization

[SimonRastikian]

Closes #145.
Testing is not done here and should be extensively completed in #146 .

[codecov-commenter]

Codecov Report

❌ Patch coverage is 0% with 111 lines in your changes missing coverage. Please review.
✅ Project coverage is 86.86%. Comparing base (0ceeef7) to head (b5da80a).

Files with missing lines	Patch %	Lines
src/benchmarking_utils/io.rs	0.00%	104 Missing ⚠️
src/test_utils.rs	0.00%	4 Missing ⚠️
src/participants.rs	0.00%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #147      +/-   ##
==========================================
- Coverage   87.93%   86.86%   -1.08%     
==========================================
  Files          41       42       +1     
  Lines        8985     9096     +111     
  Branches     8985     9096     +111     
==========================================
  Hits         7901     7901              
- Misses        639      750     +111     
  Partials      445      445              

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[SimonRastikian]

Closed due to the discussion. In a nutshell, the snapshot should be done in-memory instead of in files