Description

CI was failing on "first commit" due to deprecated GitHub Actions. Updated all actions to their current stable versions:

• actions/checkout@v3 → v4
• actions/upload-artifact@v3 → v4
• softprops/action-gh-release@v1 → v2

Related Issue

N/A - CI infrastructure fix

Type of Change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation update
• Code refactoring

How Has This Been Tested?

• Tested on Raspberry Pi (model: _____)
• Tested build process (make)
• Tested Debian package build
• Manual testing performed

CI will validate on merge.

Checklist

• My code follows the project's code style guidelines
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have tested that my fix is effective or that my feature works
• Any dependent changes have been merged and published

Screenshots (if applicable)

N/A

Additional Notes

The v4 versions are current stable releases with no breaking changes for our usage pattern.

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