Create fake-migrator nodes to debug inter-migration issues.

[Carreau]

This is draft code to debug some migrations issues to 314t migration.

A few packages are marked as "waiting for parent" (parent in another migration), but those parents have been merged for a while.

This adds in the migration status data "fake-parents" nodes from other migration, so you can get things like

migrator_python314_matplotlib | https://github.com/conda-forge/matplotlib-feedstock/pull/429
| Done | 34(children) |	matplotlib

Click on the link, and found that https://github.com/conda-forge/matplotlib-feedstock/pull/429 is merged

like conda-forge/breezy-feedstock#4, conda-forge/numba-feedstock#162, conda-forge/llvmlite-feedstock#102, conda-forge/matplotlib-feedstock#429 and conda-forge/pyside2-feedstock#261 as the respective parent we are "waiting for", and obviously they have been merged a while.

The error in cf-script is that (I think), the format has changed at some point, and some stuff have a pr "number" instead of a 'html_url' maybe ?

Description:

Checklist:

• Pydantic model updated or no update needed

Cross-refs, links to issues, etc:

[Carreau]

posting as draft for now, as I'm resuming working on this tomorrow.

[codecov]

Codecov Report

❌ Patch coverage is 7.95455% with 81 lines in your changes missing coverage. Please review.
✅ Project coverage is 80.30%. Comparing base (5849947) to head (0ad3aec).
⚠️ Report is 7 commits behind head on main.

Files with missing lines	Patch %	Lines
conda_forge_tick/status_report.py	3.57%	81 Missing ⚠️

❌ Your patch check has failed because the patch coverage (7.95%) is below the target coverage (80.00%). You can increase the patch coverage or adjust the target coverage.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #5125      +/-   ##
==========================================
- Coverage   80.71%   80.30%   -0.42%     
==========================================
  Files         143      143              
  Lines       16758    16844      +86     
==========================================
  Hits        13527    13527              
- Misses       3231     3317      +86     

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