Interface solveProbingLPWithPricing()

[Joao-Dionisio]

@marouane-f can you please review? (😡 😡 😡 😡 😡 😡 )

[Copilot]

Pull request overview

Adds a new PySCIPOpt Model.solveProbingLPWithPricing() wrapper (Cython + stub) and a regression test to exercise it from a branching callback, documenting the addition in the changelog.

Changes:

• Wrapped SCIPsolveProbingLPWithPricing() in Model.solveProbingLPWithPricing() and exposed it via the Cython interface.
• Added a test branchrule that enters probing mode, constructs the LP, and calls the new API.
• Documented the new API in CHANGELOG.md and added the signature to scip.pyi.

Reviewed changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
tests/test_branch_probing_lp.py	Adds a new test branchrule and test case that calls solveProbingLPWithPricing() during probing.
src/pyscipopt/scip.pyi	Adds the Model.solveProbingLPWithPricing() stub signature.
src/pyscipopt/scip.pxi	Implements Model.solveProbingLPWithPricing() calling SCIPsolveProbingLPWithPricing.
src/pyscipopt/scip.pxd	Declares the SCIPsolveProbingLPWithPricing C API symbol.
CHANGELOG.md	Notes the new wrapper and test in the “Added” section.

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[codecov]

Codecov Report

❌ Patch coverage is 66.66667% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 57.45%. Comparing base (3f581ef) to head (d39f3e9).

Files with missing lines	Patch %	Lines
src/pyscipopt/scip.pxi	66.66%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1215   +/-   ##
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  Coverage   57.44%   57.45%           
=======================================
  Files          26       26           
  Lines        5725     5728    +3     
=======================================
+ Hits         3289     3291    +2     
- Misses       2436     2437    +1     

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[Joao-Dionisio]

Will merge because I want to get the release out of the way this weekend.