chore(deps): update actions/checkout action to v5.1.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
actions/checkout	action	minor	v5.0.1 → v5.1.0

Review

• Updates have been tested and work
• If updates are AWS related, versions match the infrastructure (e.g. Lambda runtime, database, etc.)

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Release Notes

actions/checkout (actions/checkout)

v5.1.0

Compare Source

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Configuration

📅 Schedule: (in timezone America/Montreal)

• Branch creation
  • "every weekend"
• Automerge
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🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

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[github-actions]

Production

✅   Terraform Init: success
✅   Terraform Validate: success
✅   Terraform Format: success
❌   Terraform Plan: failed
❌   Conftest: failed

Show plan

Error: Error acquiring the state lock

Error message: operation error S3: PutObject, https response error
StatusCode: 412, RequestID: EB0EVNNT7Q24X1KM, HostID:
AqFQ/hquAbnYU0UnZ4Bh7QKbMYKnpcKH9hPVJ6xnTda/gng/Y6lk1BDbIdgTBdw5rzPQw4UfQAg=,
api error PreconditionFailed: At least one of the pre-conditions you
specified did not hold
Lock Info:
  ID:        a5cbcf23-edeb-4afe-1caa-a1607796f84d
  Path:      cds-snc-github-backups-tf/terraform.tfstate
  Operation: OperationTypePlan
  Who:       runner@runnervmvrwv9
  Version:   1.13.5
  Created:   2026-08-08 19:01:48.096832154 +0000 UTC
  Info:      


Terraform acquires a state lock to protect the state from being written
by multiple users at the same time. Please resolve the issue above and try
again. For most commands, you can disable locking with the "-lock=false"
flag, but this is not recommended.