Update actions/checkout action to v6.0.3

[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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Configuration

📅 Schedule: (UTC)

• Branch creation
  • At 12:00 AM through 04:59 AM and 10:00 PM through 11:59 PM, Monday through Friday (* 0-4,22-23 * * 1-5)
  • Only on Sunday and Saturday (* * * * 0,6)
• Automerge
  • At any time (no schedule defined)

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

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[github-actions]

Renovate PR Review Results

⚖️ Safety Assessment: ✅ Safe

🔍 Release Content Analysis

• No breaking changes or new features — This is a patch release (v6.0.2 → v6.0.3)
• Bug fixes only:
  • Fix checkout init for SHA-256 repositories (#2439)
  • Expand merge commit SHA regex and add SHA-256 test cases (#2414)
• These fixes are internal to the action's git handling for SHA-256 hash algorithm repositories and do not change any inputs, outputs, or behavior for standard SHA-1 repositories

🎯 Impact Scope Investigation

• Usage location: Single reference in .github/workflows/claude-renovate-review.yml (line 27)
• Usage pattern: Simple checkout with persist-credentials: false — no advanced features used
• No impact on other dependencies: The action is used standalone for repository checkout before running the claude-renovate-review action
• No configuration changes needed: The action's interface (inputs/outputs) is unchanged

💡 Recommended Actions

• No migration steps required
• No code modifications needed
• Safe to merge as-is — this is a purely internal bug fix for SHA-256 repository support that does not affect this repository's usage

🔗 Reference Links

• actions/checkout v6.0.3 Release
• v6.0.2...v6.0.3 Comparison
• PR #2439 - Fix checkout init for SHA-256 repositories
• PR #2414 - Expand merge commit SHA regex

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