Tests: Add valid config artifacts to test config migration paths.

[csadorf]

No description provided.

[codecov]

Codecov Report

Merging #136 (ba68aad) into main (2bf15c4) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #136   +/-   ##
=======================================
  Coverage   86.19%   86.19%           
=======================================
  Files           9        9           
  Lines         826      826           
=======================================
  Hits          712      712           
  Misses        114      114           

Flag	Coverage Δ
py-3.10	86.07% <ø> (ø)
py-3.7	?
py-3.8	86.02% <ø> (ø)
py-3.9	86.14% <ø> (ø)

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