Kick off GSoC 2024

[aliok]

Once merged, post this message as an announcement:

Hello!

CNCF has been participating in the Google Summer of Code during the and now we are ready to start the 2024 program cycle.
 
All CNCF projects are eligible to apply to participate in the Google Summer of Code. Please start working on the project ideas, and submit them via pull request: https://github.com/cncf/mentoring/blob/main/summerofcode/2024.md#project-ideas. 

The deadline to submit project ideas is March 11, 2024 (though we'd be happy for project ideas to come in sooner than that if possible to increase our chance of getting accepted as an org).

[Google Summer of Code 2024 Timeline](https://developers.google.com/open-source/gsoc/timeline)

Thanks!