Add script/command information to the healthcheck API endpoint

[johncowen]

Feature Description

Add more information to the healthcheck API endpoint, such as the command being called, the URL being used etc.

Put this behind an service:write ACL (not service:read) or similar.

Use Case(s)

Make it easier for consul operators to debug why a healthcheck could be failing either via the UI or other means.

[crhino]

Closing this in favor of #1680, it has the most 👍 's.

[ghost]

Hey there,

This issue has been automatically locked because it is closed and there hasn't been any activity for at least 30 days.

If you are still experiencing problems, or still have questions, feel free to open a new one 👍.