Fixes #796 - cosmicray_lacosmic data type return

[altair-above]

Please have a look at the following list and replace the "[ ]" with a "[x]" if
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---

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 97.61%. Comparing base (33d9bde) to head (a7a6d8b).
Report is 64 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #831   +/-   ##
=======================================
  Coverage   97.61%   97.61%           
=======================================
  Files           9        9           
  Lines        1383     1383           
=======================================
  Hits         1350     1350           
  Misses         33       33           

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[mwcraig]

Thanks for the PR! I'll try to get a new version out Monday.