chore: update license header and happy 2025! 🎉

[MrCroxx]

What's changed and what's your intention?

Please explain IN DETAIL what the changes are in this PR and why they are needed. :D

Happy 2025! 🎉

Checklist

• I have written the necessary rustdoc comments
• I have added the necessary unit tests and integration tests
• I have passed make all (or make fast instead if the old tests are not modified) in my local environment.

Related issues or PRs (optional)

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Files with missing lines	Coverage Δ
foyer-bench/src/analyze.rs	99.00% <ø> (ø)
foyer-bench/src/exporter.rs	0.00% <ø> (ø)
foyer-bench/src/main.rs	64.84% <ø> (ø)
foyer-bench/src/rate.rs	100.00% <ø> (ø)
foyer-bench/src/text.rs	100.00% <ø> (ø)
foyer-common/src/assert.rs	0.00% <ø> (ø)
foyer-common/src/asyncify.rs	50.00% <ø> (ø)
foyer-common/src/bits.rs	65.51% <ø> (ø)
foyer-common/src/buf.rs	0.00% <ø> (ø)
foyer-common/src/countdown.rs	97.14% <ø> (ø)
... and 69 more