ci: upgrade actions/checkout and actions/setup-node to v7

[alexismarie8314]

Description

Changes are proposed to fix the warning message in the Github Actions pipeline :

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v4, actions/setup-node@v4. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

Related Issue

No related issue.

Type of Change

• Bug fix
• New feature
• Documentation update
• Refactor / chore
• Breaking change

How to Test

Checklist

• I have tested my changes
• Documentation updated if needed
• If breaking change: migration path described above
• I hereby declare this contribution to be licensed under the Apache License Version 2.0.
• I hereby agree to grant TOSIT a copyright license to use my contributions.

[PaulFarault]

Why did the migration stop at version 5 instead of continuing through version 7?

[alexismarie8314]

Why did the migration stop at version 5 instead of continuing through version 7?

Good point! I stopped at v5 initially just to fix the immediate Node runtime warning, but upgrading straight to the latest v7 makes total sense to stay fully up to date. I updated to v7.

[PaulFarault]

Please squash your commits before merging. We do not need to split those changes.