preserve boolean values as booleans in jinja2

[beckermr]

Checklist

• I added a descriptive title
• I searched open reports and couldn't find a duplicate

What happened?

When boolean values end up in the jinja2, they are strings like 'false' or 'true'. These should be booleans in the jinja2, as detailed in this smithy issue: conda-forge/conda-smithy#2320

Conda Info

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Conda Config

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Conda list

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Additional Context

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