DM-45767: Use public location of CollectionType

[timj]

Checklist

• added documentation for a new migration script

[codecov]

Codecov Report

Attention: Patch coverage is 50.00000% with 1 line in your changes missing coverage. Please review.

Project coverage is 58.41%. Comparing base (d15a6b0) to head (ddecfcf).
Report is 5 commits behind head on main.

Files	Patch %	Lines
...f/butler_migrate/script/rewrite_sqlite_registry.py	50.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #43      +/-   ##
==========================================
- Coverage   58.44%   58.41%   -0.03%     
==========================================
  Files          38       38              
  Lines        1415     1414       -1     
  Branches      298      298              
==========================================
- Hits          827      826       -1     
  Misses        548      548              
  Partials       40       40              

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