release 5.5.2

21.10 isn't supported anymore, which is probably why it's failing.

We've already done that on OBS side, which is probably why it's failing.

https://github.com/lunarmodules/luacov/issues/99

We're mostly using those in NEWS and first line of commit messages.
I'm not sure if they're much better than alternatives, but at least
consistency is nice.