chore(deps): 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: This is a patch release (v6.0.2 → v6.0.3) with only bug fixes
• Bug fix Configure Renovate #1: Fix checkout init for SHA-256 repositories (#2439)
• Bug fix Update module github.com/alecthomas/chroma to v2 #2: Expand merge commit SHA regex and add SHA-256 test cases (#2414)
• Both fixes are narrow and target SHA-256 repository edge cases that do not affect standard SHA-1 repositories like this one
• No new features, no API changes, no configuration changes required

🎯 Impact Scope Investigation

• 7 workflow step references updated across 6 workflow files:
  • .github/workflows/ci.yml — 3 job steps
  • .github/workflows/github-actions-lint.yml — 3 job steps
  • .github/workflows/release-please.yml — 1 job step
  • .github/workflows/claude-renovate-review.yml — 1 job step
  • .github/workflows/update-demo.yml — 1 job step
  • .github/workflows/update-docs.yml — 1 job step
• The diff is purely a SHA pin update: de0fac2e4500dabe0009e67214ff5f5447ce83dd → df4cb1c069e1874edd31b4311f1884172cec0e10
• All usages retain the same flags (persist-credentials: false, fetch-depth: 0 where applicable) — no input changes needed
• No impact on other dependencies

💡 Recommended Actions

• No migration steps required
• No code or configuration changes needed beyond what Renovate has already applied
• This PR is safe to merge as-is

🔗 Reference Links

• actions/checkout CHANGELOG
• PR #2439 — Fix checkout init for SHA-256 repositories
• PR #2414 — Expand merge commit SHA regex and add SHA-256 test cases
• v6.0.2...v6.0.3 diff

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