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 100.00%. Comparing base (fe4eb9c) to head (d96f06c).
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@             Coverage Diff             @@
##                main       #20   +/-   ##
===========================================
  Coverage     100.00%   100.00%           
  Complexity        58        58           
===========================================
  Files              8         8           
  Lines            163       163           
===========================================
  Hits             163       163           

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