Split up created and updated contacts in logging

[rowanseymour]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 75.00000% with 6 lines in your changes missing coverage. Please review.

Project coverage is 54.77%. Comparing base (2db16bc) to head (3340f1d).

Files	Patch %	Lines
indexers/contacts.go	68.75%	5 Missing ⚠️
indexers/base.go	87.50%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #82      +/-   ##
==========================================
+ Coverage   54.04%   54.77%   +0.73%     
==========================================
  Files           6        6              
  Lines         433      440       +7     
==========================================
+ Hits          234      241       +7     
  Misses        174      174              
  Partials       25       25              

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