Extend OOC rand

[jessicapriebe]

This extends OOC rand to support non-uniform distributions and non-constant values.

[janniklinde]

LGTM - Thanks for the very clean PR @jessicapriebe

[codecov]

Codecov Report

❌ Patch coverage is 90.47619% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 71.51%. Comparing base (b394e32) to head (efff629).
⚠️ Report is 6 commits behind head on main.

Files with missing lines	Patch %	Lines
...untime/instructions/ooc/DataGenOOCInstruction.java	90.47%	0 Missing and 2 partials ⚠️

Additional details and impacted files

@@            Coverage Diff            @@
##               main    #2429   +/-   ##
=========================================
  Coverage     71.51%   71.51%           
- Complexity    47441    47442    +1     
=========================================
  Files          1539     1539           
  Lines        182605   182622   +17     
  Branches      35916    35918    +2     
=========================================
+ Hits         130585   130606   +21     
+ Misses        42028    42017   -11     
- Partials       9992     9999    +7     

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