DM-33710: Add ScarletDataModel StorageClass

[fred3m]

Checklist

• ran Jenkins
• added a release note for user-visible changes to doc/changes

[codecov]

Codecov Report

Merging #690 (07ff07e) into main (31b4056) will not change coverage.
The diff coverage is n/a.

❗ Current head 07ff07e differs from pull request most recent head c4bb603. Consider uploading reports for the commit c4bb603 to get more accurate results

@@           Coverage Diff           @@
##             main     #690   +/-   ##
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  Coverage   84.41%   84.41%           
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  Files         243      243           
  Lines       31516    31516           
  Branches     5894     5894           
=======================================
  Hits        26605    26605           
  Misses       3741     3741           
  Partials     1170     1170           

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[TallJimbo]

Commit message looks incorrect, but the change itself is fine.