fix(runtime-manifest): defer to bundle-level output def sensitivity

[vdice]

What does this change

• Updates logic around masking output values. We still regard step outputs as sensitive by default, but this updates step outputs that are also bundle-level outputs to inherit the bundle-level output setting. (Note that bundle-level outputs are not sensitive by default.)

What issue does it fix

N/A

Notes for the reviewer

Checklist

• Unit Tests
• Documentation
• Schema (porter.yaml)

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[carolynvs]

One of my other PRs has a big impact on this one because OutputDefinitions is now a map which makes it much easier to get at what's defined in the manifest. It just landed in main, so I'll hold off on reviewing until you've had a chance to rebase. Sorry about that but I think it will make this PR easier!

[vdice]

Thanks @carolynvs ; indeed, your recent updates have made this change set much simpler! Rebased and ready for another look when convenient.

[carolynvs]

Oh this is much cleaner with the rebase and edits. 💯 LGTM!