Term OOC covariance TSMM

[tuluyhansozen]

This PR adds out-of-core coverage for covariance and improves OOC TSMM support.

Changes include:

• Add CovarianceOOCInstruction for unweighted and weighted covariance.
• Register OOC covariance parsing through OOCInstructionParser and OOCType.COV.
• Skip zero-weight covariance updates to avoid NaN results.
• Extend OOC TSMM to support multi-tile outputs and right-side TSMM cases.
• Add OOC tests for:
  • cov(A, B)
  • cov(A, B, W)
  • left/right TSMM
  • dense/sparse inputs
  • single-tile and multi-tile output cases

[codecov]

Codecov Report

❌ Patch coverage is 86.00000% with 14 lines in your changes missing coverage. Please review.
✅ Project coverage is 71.67%. Comparing base (c099a2f) to head (0c121eb).

Files with missing lines	Patch %	Lines
...ime/instructions/ooc/CovarianceOOCInstruction.java	82.60%	5 Missing and 3 partials ⚠️
...s/runtime/instructions/ooc/TSMMOOCInstruction.java	88.00%	3 Missing and 3 partials ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #2529      +/-   ##
============================================
+ Coverage     71.66%   71.67%   +0.01%     
- Complexity    49338    49357      +19     
============================================
  Files          1580     1581       +1     
  Lines        190516   190597      +81     
  Branches      37364    37373       +9     
============================================
+ Hits         136525   136608      +83     
+ Misses        43464    43460       -4     
- Partials      10527    10529       +2     

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[tuluyhansozen]

@janniklinde we solved conflicts and failing checks and created a fresh clean pr.