Add optional call stacks for unresponsive reports

[clelland]

This isn't super rigorous yet; I'm writing up a better processing model which should allow this to define exactly when and how a call stack is collected and added to the report. It should include some samples, too.

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:boom: Error: 500 Internal Server Error :boom:

PR Preview failed to build. (Last tried on Jul 17, 2024, 3:48 PM UTC).

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[clelland]

@issackjohn, @sethbrenith FYI - this is a start of a spec for the work on #12

[issackjohn]

@clelland Looks like I missed this. LGTM.