ops: add script to migrate legacy subgraphs

[tmigone]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (7b9766d) 92.69% compared to head (fc47624) 92.69%.
Report is 2 commits behind head on main.

❗ Current head fc47624 differs from pull request most recent head 6e506da. Consider uploading reports for the commit 6e506da to get more accurate results

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #941   +/-   ##
=======================================
  Coverage   92.69%   92.69%           
=======================================
  Files          46       46           
  Lines        2369     2369           
  Branches      426      426           
=======================================
  Hits         2196     2196           
  Misses        173      173           

Flag	Coverage Δ
unittests	92.69% <ø> (ø)

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[Maikol]

lgtm

[pcarranzav]

One detail but LGTM