Add qualified_code option to all impl and test tags

[tp-pbritt-nuc]

What is the change?

Adding an option to all impl and test tags to denote whether or not the requirement it's attached to applies to Pylot or Nala.

Why is the change being made?

So we know if a change affects the baseline of either project and who to include on SCRs.

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Checklist

• This PR has only one purpose or idea.
• Tests have been added/updated to verify any new/changed code.

• The code style follows good practices.
• The commit message(s) follow good practices.

• The release notes have been updated if necessary.
• The documentation is still up-to-date in the doc folder.
• The dependencies are still up-to-date in pyproject.toml.

[CLAassistant]

All committers have signed the CLA.

[tp-pbritt-nuc]

We'll leave this closed for now and reopen it if something happens and ARMI doesn't get its own requirements.