fix: skip models whose details['latest_version'] is empty

[thiswillbeyourgithub]

Signed-off-by: thiswillbeyourgithub 26625900+thiswillbeyourgithub@users.noreply.github.com

Fix to #18

I don't know if this is still relevant as my version was 0.2 and not 0.3

[simonw]

Thanks for this.