fix: log message is wrong

[beckermr]

Description:

This PR fixes an incorrect log message in filtering nodes for migrations.

Checklist:

• Pydantic model updated or no update needed

Cross-refs, links to issues, etc:

xref: #2961

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Project coverage is 75.83%. Comparing base (801756e) to head (8a1edcc).
Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
conda_forge_tick/migrators/core.py	0.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2983   +/-   ##
=======================================
  Coverage   75.83%   75.83%           
=======================================
  Files         115      115           
  Lines       12175    12175           
=======================================
  Hits         9233     9233           
  Misses       2942     2942           

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