ci: update codecov/codecov-action digest to 18283e0 - autoclosed

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
codecov/codecov-action	action	digest	ad3126e -> 18283e0

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Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 23.52%. Comparing base (870b1c4) to head (e3aeae1).
Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master      #64   +/-   ##
=======================================
  Coverage   23.52%   23.52%           
=======================================
  Files           1        1           
  Lines          34       34           
=======================================
  Hits            8        8           
  Misses         26       26           

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