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

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change
actions/checkout	action	major	v4 -> v6

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Release Notes

actions/checkout (actions/checkout)

v6

Compare Source

v5

Compare Source

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Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), 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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• [ ] If you want to rebase/retry this PR, check this box

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[greptile-apps[bot]]

Greptile Overview

Greptile Summary

Updated GitHub Actions actions/checkout from v4 to v6 in both CI and release workflows.

• Simple version bump with no configuration changes
• No breaking changes affecting the workflows
• Standard Renovate dependency update

Confidence Score: 5/5

• This PR is safe to merge with no risk
• Simple dependency version update with no breaking changes, no configuration modifications, and no impact on workflow logic
• No files require special attention

Important Files Changed

File Analysis

Filename	Score	Overview
.github/workflows/ci.yml	5/5	Updated actions/checkout from v4 to v6 for CI workflow - simple version bump with no breaking changes
.github/workflows/release.yml	5/5	Updated actions/checkout from v4 to v6 for release workflow - simple version bump with no breaking changes

Sequence Diagram

sequenceDiagram
    participant Dev as Developer
    participant GH as GitHub
    participant CI as CI Workflow
    participant Release as Release Workflow
    participant Checkout as actions/checkout@v6
    participant Ruby as ruby/setup-ruby
    participant RG as RubyGems

    Note over Dev,GH: PR or Push to main
    Dev->>GH: Push code / Create PR
    GH->>CI: Trigger CI workflow
    CI->>Checkout: Checkout repository (v6)
    Checkout-->>CI: Code ready
    CI->>Ruby: Setup Ruby environment
    Ruby-->>CI: Ruby configured
    CI->>CI: Run Rubocop
    CI->>CI: Run RSpec tests
    CI-->>GH: Test results

    Note over Dev,RG: Release Process
    Dev->>GH: Create release / Manual trigger
    GH->>Release: Trigger release workflow
    Release->>Checkout: Checkout repository (v6)
    Checkout-->>Release: Code ready
    Release->>Ruby: Setup Ruby 3.2
    Ruby-->>Release: Ruby configured
    Release->>Release: Run RSpec tests
    Release->>Release: Build gem
    Release->>RG: Publish to RubyGems
    RG-->>Release: Published
    Release-->>GH: Release complete