Crash on client side during OSI build

[rezib]

In latest release 2.0.0, an attempt to build an OSI image produces a crash:

$ fatbuildrctl build -a node-debian11 -s firehpc/envs 
Traceback (most recent call last):
  File "/usr/bin/fatbuildrctl", line 33, in <module>
    sys.exit(load_entry_point('Fatbuildr==2.0.0', 'console_scripts', 'fatbuildrctl')())
  File "/usr/lib/python3/dist-packages/fatbuildr/cli/__init__.py", line 34, in run
    cls()
  File "/usr/lib/python3/dist-packages/fatbuildr/cli/fatbuildrctl.py", line 425, in __init__
    args.func(args)
  File "/usr/lib/python3/dist-packages/fatbuildr/cli/fatbuildrctl.py", line 961, in _run_build
    arch_dependent = ArtifactDefsFactory.get(
  File "/usr/lib/python3/dist-packages/fatbuildr/artifact.py", line 316, in get
    return ArtifactDefsFactory._formats[format](place, artifact, format)
TypeError: ArtifactDefs.__init__() takes 3 positional arguments but 4 were given