Add IREGI

[matthewfeickert]

• Add IREGI v1.1.0 from MadGraph5_aMC@NLO v3.5.7.
  • Apply patches for a standalone build.
• c.f. Package mg5amcnlo dependencies hep-packaging-coordination/packaging-hep-simulation-stack#3

Checklist

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  • This does provide a static library, but CFEP-18 is followed.
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[github-actions]

Hi! This is the staged-recipes linter and your PR looks excellent! 🚀

[conda-forge-admin]

Hi! This is the friendly automated conda-forge-linting service.

I just wanted to let you know that I linted all conda-recipes in your PR (recipes/iregi/meta.yaml) and found it was in an excellent condition.

[matthewfeickert]

@conda-forge/staged-recipes, ready for review! This is a fortran recipe.

[github-actions]

To help direct your pull request to the best reviewers, please mention a topic-specifc team if your recipe matches any of the following: conda-forge/help-c-cpp, conda-forge/help-cdts, conda-forge/help-go, conda-forge/help-java, conda-forge/help-julia, conda-forge/help-nodejs, conda-forge/help-perl, conda-forge/help-python, conda-forge/help-python-c, conda-forge/help-r, conda-forge/help-ruby,or conda-forge/help-rust. Thanks!

[matthewfeickert]

cc @chrisburr given relation to mg5amcnlo.