Provide a separate scenario to install the last release, then update to
the current one.
Also includes improved deployment verification (check if uploading a
.txt through the API works).
Recursive remote copy is supported starting with 2.8 only
Indentation behaviour in literal yaml strings seems to have changed
Regex logic for ImageMagic was flawed (no idea why this worked before)
Currently only Debian 10 buster is supported.
Other Debian versions, Ubuntu and derivates should be easy to integrate.
Database deployment is considered out-of-scope and deferred to the user.
Provides basic upgrade support between releases.
