change(release): Add "wait for a full sync" to the release checklist and ticket template

[teor2345]

Motivation

We're testing the state format in CI, but some code paths don't get tested until we do a full sync.

So we need to wait for a full sync between the last state change and the release. (Or run a manual full sync.)

Complex Code or Requirements

It's not clear which code changes can change the state format, so it might be easier just to say "anything in zebra-state or zebra-chain".

Solution

Update the release checklist with this step
Update the release ticket template with this step

Review

Ideally this should be merged before we open the ticket for the next release.

This is for discussion at the Zebra sync.

Reviewer Checklist

• Are the PR labels correct?
• Does the code do what the ticket and PR says?
• How do you know it works? Does it have tests?

[teor2345]

Turns out this is needed anyway, we just found a performance issue right before the release because of an auto-opened full sync ticket #7618.

[oxarbitrage]

It looks like this changes are needed to the release process so thank you for making them.

I left a few minor optional suggestions, feel free to discard them.

[teor2345]

Thank you for the suggestions!