Bump actions/cache from v5.0.5 to v6.0.0 in /.github/workflows

[UltralyticsAssistant]

Bump actions/cache from v5.0.5 to v6.0.0 in /.github/workflows

This PR updates GitHub Actions references in this repository.

Examples:

• Branch: actions/checkout@main stays on @main
• Major tag: actions/checkout@v4 updates to @v5
• Specific tag: astral-sh/setup-uv@v0.5.0 updates to @v0.9.4
• SHA pinned: actions/checkout@<sha> # v4.1.0 updates to the latest release SHA and tag comment

_{Made with ❤️ by Ultralytics Actions}

🛠️ PR Summary

_{Made with ❤️ by Ultralytics Actions}

🌟 Summary

🔧 This PR updates the GitHub Actions cache dependency used for FFmpeg in CI, moving actions/cache from v5.0.5 to v6.0.0.

📊 Key Changes

• ⬆️ Upgraded the actions/cache GitHub Action in .github/workflows/ci.yml
• 🎬 The change affects the FFmpeg cache step in the Windows CI workflow
• 🔒 Updated the pinned action reference to a newer commit corresponding to actions/cache v6.0.0

🎯 Purpose & Impact

• 🚀 Keeps CI dependencies up to date with the latest actions/cache release
• 🛡️ Improves maintainability and may bring security, reliability, or compatibility improvements from the newer action version
• 🧪 Has no direct effect on inference features or user-facing functionality, but helps ensure the project’s automated testing and build pipeline remain healthy and current

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

📢 Thoughts on this report? Let us know!

[UltralyticsAssistant]

Merged — thank you, @onuralpszr! 🎉

As Benjamin Franklin said, “An investment in knowledge pays the best interest.” Keeping CI dependencies current is exactly that kind of investment: small behind-the-scenes improvements like this help keep our automation reliable, maintainable, and ready for what’s next.

We really appreciate your contribution to keeping inference healthy and up to date.