Add migration for LILAC classifications

[lmcnulty]

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 91.55%. Comparing base (1152deb) to head (7e8685f).
Report is 17 commits behind head on staging.

Additional details and impacted files

@@           Coverage Diff            @@
##           staging    #3549   +/-   ##
========================================
  Coverage    91.55%   91.55%           
========================================
  Files           75       75           
  Lines         9787     9787           
  Branches       409      408    -1     
========================================
  Hits          8960     8960           
- Misses         815      827   +12     
+ Partials        12        0   -12     

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