feat(flagpole): Update flagpole documentation with new owner field

[kenzoengineer]

DESCRIBE YOUR PR

The owner field has been changed to separate out the team and email fields. This updates the documentation to reflect this change.

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Project	Deployment	Actions	Updated (UTC)
develop-docs	Ready	Preview, Comment	Mar 12, 2026 10:00pm

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Project	Deployment	Actions	Updated (UTC)
sentry-docs	Ignored		Mar 12, 2026 10:00pm