Allow build requirements to be used in the rebuild graph

[isuruf]

• Pydantic model updated or no update needed

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 4 lines in your changes missing coverage. Please review.

Project coverage is 75.12%. Comparing base (5d47212) to head (8b72279).

Files	Patch %	Lines
conda_forge_tick/migrators/migration_yaml.py	0.00%	3 Missing ⚠️
conda_forge_tick/make_migrators.py	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2848      +/-   ##
==========================================
- Coverage   75.14%   75.12%   -0.02%     
==========================================
  Files         111      111              
  Lines       11270    11273       +3     
==========================================
  Hits         8469     8469              
- Misses       2801     2804       +3     

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