feat: Add `SpeculativeExecutionScheduling` new algorithm with tests

[Hardvan]

• [x] I have read CONTRIBUTING.md.
• [x] This pull request is all my own work -- I have not plagiarized it.
• [x] All filenames are in PascalCase.
• [x] All functions and variable names follow Java naming conventions.
• [x] All new algorithms have a URL in their comments that points to Wikipedia or other similar explanations.
• [x] All new code is formatted with clang-format -i --style=file path/to/your/file.java

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 92.59259% with 2 lines in your changes missing coverage. Please review.

Project coverage is 72.42%. Comparing base (bca8d0e) to head (9139019).

Files with missing lines	Patch %	Lines
...hms/scheduling/SpeculativeExecutionScheduling.java	92.59%	0 Missing and 2 partials :warning:

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #5817      +/-   ##
============================================
+ Coverage     72.40%   72.42%   +0.01%     
- Complexity     4983     4989       +6     
============================================
  Files           653      654       +1     
  Lines         17574    17601      +27     
  Branches       3386     3391       +5     
============================================
+ Hits          12724    12747      +23     
- Misses         4371     4372       +1     
- Partials        479      482       +3     

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