present: Require presentproto 1.2
The PresentOptionSuboptimal support code is not optional (once you've enabled building Present at all), so require a protocol package version that defines what we need.
Fixes: #821 (closed)
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The migration is almost done, at least the rest should happen in the background. There are still a few technical difference between the old cluster and the new ones, and they are summarized in this issue. Please pay attention to the TL:DR at the end of the comment.
The PresentOptionSuboptimal support code is not optional (once you've enabled building Present at all), so require a protocol package version that defines what we need.
Fixes: #821 (closed)