chore: update `actions/checkout` Github action to v4

[NicolasMassart]

What is this about?

update actions/checkout Github action to v4: actions/checkout@3 --> actions/checkout@4

Scenario

No response

Design

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Technical Details

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Threat Modeling Framework

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Acceptance Criteria

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Stakeholder review needed before the work gets merged

• [X] Engineering (needed in most cases)
• [ ] Design
• [ ] Product
• [ ] QA (automation tests are required to pass before merging PRs but not all changes are covered by automation tests - please review if QA is needed beyond automation tests)
• [ ] Security
• [ ] Legal
• [ ] Marketing
• [ ] Management (please specify)
• [ ] Other (please specify)

References

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[legobeat]

Maybe this can be expanded to chore: update deprecated action versions?

There are more like @actions/setup-node that also run on deprecated Node.js v16 and have newer versions on supported v20.