Remove `-prerelease` from repository tags

[aaronjheng]

Please consider.

[chikitai]

assert.ErrorContains(t, err, "context canceled") // it gets interrupted as soon as there is a checkpoint saved.
    assert.Error(t, err) // it gets interrupted as soon as there is a checkpoint saved.
}()

// wait until a checkpoint is saved (which means copy is in progress

[morgo]

Thank you for the suggestion, we will consider it for our next tag.