ci(deps): update actions/checkout action to v6

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
actions/checkout	action	major	v5.0.0 → v6.0.2

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Release Notes

actions/checkout (actions/checkout)

v6.0.2

Compare Source

• Fix tag handling: preserve annotations and explicit fetch-tags by @​ericsciple in #​2356

v6.0.1

Compare Source

v6.0.0

Compare Source

v5.0.1

Compare Source

What's Changed

• Port v6 cleanup to v5 by @​ericsciple in #​2301

Full Changelog: actions/checkout@v5...v5.0.1

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Configuration

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 2.06%. Comparing base (5e1798a) to head (37d38c2).
⚠️ Report is 4 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff            @@
##             master    #283   +/-   ##
========================================
  Coverage      2.06%   2.06%           
  Complexity        2       2           
========================================
  Files            14      14           
  Lines           194     194           
  Branches          7       7           
========================================
  Hits              4       4           
  Misses          190     190           

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