Update MIGRATIONS.md

[dbanda]

Add description of the correct query node value

[codecov[bot]]

Codecov Report

Patch and project coverage have no change.

Comparison is base (63ad356) 90.21% compared to head (276402e) 90.21%.

:exclamation: Current head 276402e differs from pull request most recent head 33e4c89. Consider uploading reports for the commit 33e4c89 to get more accurate results

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #3975   +/-   ##
=======================================
  Coverage   90.21%   90.21%           
=======================================
  Files         750      750           
  Lines       36397    36397           
  Branches      188      188           
=======================================
  Hits        32835    32835           
  Misses       3533     3533           
  Partials       29       29           

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[onkar]

Going to close this stale (opened 1 year ago) PR.