Setting version to min version if not available

[TheChymera]

Closes: #990

[codecov]

Codecov Report

Merging #994 (ceac616) into master (b73f44d) will decrease coverage by 0.04%.
The diff coverage is 50.00%.

@@            Coverage Diff             @@
##           master     #994      +/-   ##
==========================================
- Coverage   87.52%   87.48%   -0.05%     
==========================================
  Files          64       64              
  Lines        8106     8109       +3     
==========================================
- Hits         7095     7094       -1     
- Misses       1011     1015       +4     

Flag	Coverage Δ
unittests	87.48% <50.00%> (-0.05%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
dandi/bids_validator_xs.py	92.28% <50.00%> (-0.63%)	⬇️
dandi/organize.py	81.85% <0.00%> (-0.45%)	⬇️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update b73f44d...ceac616. Read the comment docs.

[yarikoptic]

Looks lgtm albeit not accompanied with a unit test, so mileage can vary. Let's proceed, I will add patch level label

[github-actions]

🚀 PR was released in 0.39.5 🚀