Release CIDER 1.22.2

Set the codename and the docs version for CIDER 1.22

Release 1.22.0

Release CIDER 1.21 ("Gràcia")

Release CIDER 1.20 ("Lanzarote")

Release CIDER 1.19 ("Skiathos")

Release CIDER 1.18 ("Athens")

Bump the docs version

Release 1.17.1

Release CIDER 1.17 ("Cologne")