chore(deps): update actions/checkout action to v5

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
actions/checkout	action	major	v4 -> v5

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Release Notes

actions/checkout (actions/checkout)

v5

Compare Source

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Configuration

📅 Schedule: Branch creation - "on Monday" (UTC), 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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This PR was generated by Mend Renovate. View the repository job log.

[vercel]

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Name	Status	Preview	Comments	Updated (UTC)
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[github-actions]

Diagnostics Comparison:

Click to expand

Metric	Previous	New	Status
Files	368	368	± (0.00%)
Lines	157773	157773	± (0.00%)
Identifiers	156580	156580	± (0.00%)
Symbols	261431	261431	± (0.00%)
Types	53708	53708	± (0.00%)
Instantiations	623086	623086	± (0.00%)
Memory used	299112K	264683K	▼ (-13.01%)
I/O read	0.02s	0.02s	± (0.00%)
I/O write	0s	0s	± (0.00%)
Parse time	0.87s	0.89s	± (+2.25%)
Bind time	0.34s	0.32s	± (-6.25%)
Check time	1.89s	1.89s	± (0.00%)
Emit time	0.1s	0.1s	± (0.00%)
Total time	3.2s	3.2s	± (0.00%)

[codspeed-hq]

CodSpeed Performance Report

Merging #607 will not alter performance

_{Comparing renovate/actions-checkout-5.x (62c0305) with main (9eec8e8)}

Summary

✅ 6 untouched benchmarks