Update github-actions to v6.0.3 (main)

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
actions/checkout	action	patch	v6.0.2 → v6.0.3

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Release Notes

actions/checkout (actions/checkout)

v6.0.3

Compare Source

• Fix checkout init for SHA-256 repositories by @​yaananth in #​2439
• fix: expand merge commit SHA regex and add SHA-256 test cases by @​yaananth in #​2414

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 83.06%. Comparing base (6ff7c5b) to head (d101558).
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@            Coverage Diff            @@
##               main    #1213   +/-   ##
=========================================
  Coverage     83.06%   83.06%           
  Complexity     1575     1575           
=========================================
  Files           113      113           
  Lines          5332     5332           
=========================================
  Hits           4429     4429           
  Misses          903      903           

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