chore: Update date in README.md

[yandiro]

Update copyright date to 2024

Summary

(If you have not already please refer to the contributing guideline as described
here)

• Tell us about the problem your pull request is solving.
• Are there any open issues that are related to this?
• Is this PR dependent on PRs in other repos?

If so, please mention them to keep the conversations linked together.

Other Information

If there's anything else that's important and relevant to your pull
request, mention that information here. This could include
benchmarks, or other information.

Your PR will be reviewed by a core team member and they will work with you to get your changes merged in a timely manner. If merged your PR will automatically be added to the changelog in the next release.

If this is a new feature, please remember to add the appropriate documentation in their respective pages in the docs folder.

Thanks for contributing to Feathers! ❤️

[daffl]

Thanks! Can we do this in all the other readmes as well?

[yandiro]

@daffl Updated

[daffl]

Great, thank you!